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144963936 = 253213311249
BaseRepresentation
bin10001010001111…
…11100101100000
3101002202221010200
420220333211200
5244102321221
622215025200
73410113245
oct1050774540
9332687120
10144963936
1174912607
124066b200
13240578a0
14153775cc
15cad7426
hex8a3f960

144963936 has 144 divisors (see below), whose sum is σ = 458640000. Its totient is φ = 43130880.

The previous prime is 144963893. The next prime is 144963943. The reversal of 144963936 is 639369441.

144963936 is a `hidden beast` number, since 1 + 4 + 4 + 9 + 639 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1449639362 = 42029085481224192, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 144963891 and 144963900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115440 + ... + 116688.

It is an arithmetic number, because the mean of its divisors is an integer number (3185000).

Almost surely, 2144963936 is an apocalyptic number.

144963936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144963936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229320000).

144963936 is an abundant number, since it is smaller than the sum of its proper divisors (313676064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144963936 is a wasteful number, since it uses less digits than its factorization.

144963936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309 (or 1298 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 144963936 is about 12040.0970095760. The cubic root of 144963936 is about 525.3152283750.

The spelling of 144963936 in words is "one hundred forty-four million, nine hundred sixty-three thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 31 32 36 39 48 52 62 72 78 93 96 104 117 124 144 156 186 208 234 248 279 288 312 372 403 416 468 496 558 624 744 806 936 992 1116 1209 1248 1249 1488 1612 1872 2232 2418 2498 2976 3224 3627 3744 3747 4464 4836 4996 6448 7254 7494 8928 9672 9992 11241 12896 14508 14988 16237 19344 19984 22482 29016 29976 32474 38688 38719 39968 44964 48711 58032 59952 64948 77438 89928 97422 116064 116157 119904 129896 146133 154876 179856 194844 232314 259792 292266 309752 348471 359712 389688 464628 503347 519584 584532 619504 696942 779376 929256 1006694 1169064 1239008 1393884 1510041 1558752 1858512 2013388 2338128 2787768 3020082 3717024 4026776 4530123 4676256 5575536 6040164 8053552 9060246 11151072 12080328 16107104 18120492 24160656 36240984 48321312 72481968 144963936