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157688996 = 2256396991
BaseRepresentation
bin10010110011000…
…10010010100100
3101222201102122012
421121202102210
5310332021441
623351453352
73623222453
oct1131422244
9358642565
10157688996
1181014093
1244987258
13268918ca
1416d2ab9a
15dc9c9eb
hex96624a4

157688996 has 12 divisors (see below), whose sum is σ = 276044160. Its totient is φ = 78819240.

The previous prime is 157688987. The next prime is 157689001. The reversal of 157688996 is 699886751.

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 3 ways as a sum of consecutive naturals, for example, 19061 + ... + 26051.

It is an arithmetic number, because the mean of its divisors is an integer number (23003680).

Almost surely, 2157688996 is an apocalyptic number.

It is an amenable number.

157688996 is a deficient number, since it is larger than the sum of its proper divisors (118355164).

157688996 is a wasteful number, since it uses less digits than its factorization.

157688996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12634 (or 12632 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 59.

The square root of 157688996 is about 12557.4279213540. The cubic root of 157688996 is about 540.2570746701.

The spelling of 157688996 in words is "one hundred fifty-seven million, six hundred eighty-eight thousand, nine hundred ninety-six".

Divisors: 1 2 4 5639 6991 11278 13982 22556 27964 39422249 78844498 157688996