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151520656 = 2471352863
BaseRepresentation
bin10010000100000…
…00010110010000
3101120010001021011
421002000112100
5302242130111
623011340304
73516622120
oct1102002620
9346101234
10151520656
1178590791
12428b1694
13255120c1
14161a2c80
15d480021
hex9080590

151520656 has 20 divisors (see below), whose sum is σ = 335510272. Its totient is φ = 64937376.

The previous prime is 151520651. The next prime is 151520671. The reversal of 151520656 is 656025151.

It is not an unprimeable number, because it can be changed into a prime (151520651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676320 + ... + 676543.

Almost surely, 2151520656 is an apocalyptic number.

151520656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

151520656 is an abundant number, since it is smaller than the sum of its proper divisors (183989616).

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

151520656 is a wasteful number, since it uses less digits than its factorization.

151520656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352878 (or 1352872 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 151520656 is about 12309.3726891341. The cubic root of 151520656 is about 533.1187379712.

The spelling of 151520656 in words is "one hundred fifty-one million, five hundred twenty thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 1352863 2705726 5411452 9470041 10822904 18940082 21645808 37880164 75760328 151520656