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144013680 = 24335611093
BaseRepresentation
bin10001001010101…
…11100101110000
3101000222122122000
420211113211300
5243331414210
622142414000
73366044646
oct1045274560
9330878560
10144013680
1174323678
1240291300
1323ab41c5
14151ab196
15c99aac0
hex8957970

144013680 has 160 divisors (see below), whose sum is σ = 504640320. Its totient is φ = 37739520.

The previous prime is 144013679. The next prime is 144013691. The reversal of 144013680 is 86310441.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 131214 + ... + 132306.

It is an arithmetic number, because the mean of its divisors is an integer number (3154002).

Almost surely, 2144013680 is an apocalyptic number.

144013680 is a gapful number since it is divisible by the number (10) 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 144013680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252320160).

144013680 is an abundant number, since it is smaller than the sum of its proper divisors (360626640).

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

144013680 is a wasteful number, since it uses less digits than its factorization.

144013680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 144013680 is about 12000.5699864631. The cubic root of 144013680 is about 524.1648763450.

It can be divided in two parts, 14401 and 3680, that added together give a palindrome (18081).

The spelling of 144013680 in words is "one hundred forty-four million, thirteen thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 61 72 80 90 108 120 122 135 144 180 183 216 240 244 270 305 360 366 432 488 540 549 610 720 732 915 976 1080 1093 1098 1220 1464 1647 1830 2160 2186 2196 2440 2745 2928 3279 3294 3660 4372 4392 4880 5465 5490 6558 6588 7320 8235 8744 8784 9837 10930 10980 13116 13176 14640 16395 16470 17488 19674 21860 21960 26232 26352 29511 32790 32940 39348 43720 43920 49185 52464 59022 65580 65880 66673 78696 87440 98370 118044 131160 131760 133346 147555 157392 196740 200019 236088 262320 266692 295110 333365 393480 400038 472176 533384 590220 600057 666730 786960 800076 1000095 1066768 1180440 1200114 1333460 1600152 1800171 2000190 2360880 2400228 2666920 3000285 3200304 3600342 4000380 4800456 5333840 6000570 7200684 8000760 9000855 9600912 12001140 14401368 16001520 18001710 24002280 28802736 36003420 48004560 72006840 144013680