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152730144 = 2533725253
BaseRepresentation
bin10010001101001…
…11101000100000
3101122101111101000
421012213220200
5303044331034
623053312000
73533120250
oct1106475040
9348344330
10152730144
1179237466
1243195600
1325846788
14163d9960
15d61d599
hex91a7a20

152730144 has 96 divisors (see below), whose sum is σ = 509120640. Its totient is φ = 43635456.

The previous prime is 152730107. The next prime is 152730161. The reversal of 152730144 is 441037251.

152730144 = T432 + T433 + ... + T998.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6579 + ... + 18674.

It is an arithmetic number, because the mean of its divisors is an integer number (5303340).

Almost surely, 2152730144 is an apocalyptic number.

152730144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

152730144 is an abundant number, since it is smaller than the sum of its proper divisors (356390496).

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

152730144 is a wasteful number, since it uses less digits than its factorization.

152730144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25279 (or 25265 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 152730144 is about 12358.4037804241. The cubic root of 152730144 is about 534.5334903233.

Adding to 152730144 its reverse (441037251), we get a palindrome (593767395).

The spelling of 152730144 in words is "one hundred fifty-two million, seven hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 84 96 108 112 126 144 168 189 216 224 252 288 336 378 432 504 672 756 864 1008 1512 2016 3024 6048 25253 50506 75759 101012 151518 176771 202024 227277 303036 353542 404048 454554 530313 606072 681831 707084 808096 909108 1060626 1212144 1363662 1414168 1590939 1818216 2121252 2424288 2727324 2828336 3181878 3636432 4242504 4772817 5454648 5656672 6363756 7272864 8485008 9545634 10909296 12727512 16970016 19091268 21818592 25455024 38182536 50910048 76365072 152730144