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157704568 = 2376314463
BaseRepresentation
bin10010110011001…
…10000101111000
3101222202012222221
421121212011320
5310333021233
623352053424
73623316040
oct1131460570
9358665887
10157704568
118102485a
1244994274
1326898a18
1416d32720
15dca242d
hex9666178

157704568 has 32 divisors (see below), whose sum is σ = 338549760. Its totient is φ = 67465440.

The previous prime is 157704539. The next prime is 157704571. The reversal of 157704568 is 865407751.

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 7 ways as a sum of consecutive naturals, for example, 33105 + ... + 37567.

It is an arithmetic number, because the mean of its divisors is an integer number (10579680).

Almost surely, 2157704568 is an apocalyptic number.

It is an amenable number.

157704568 is an abundant number, since it is smaller than the sum of its proper divisors (180845192).

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

157704568 is a wasteful number, since it uses less digits than its factorization.

157704568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107 (or 5103 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 157704568 is about 12558.0479374782. The cubic root of 157704568 is about 540.2748577885.

The spelling of 157704568 in words is "one hundred fifty-seven million, seven hundred four thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 631 1262 2524 4417 4463 5048 8834 8926 17668 17852 31241 35336 35704 62482 124964 249928 2816153 5632306 11264612 19713071 22529224 39426142 78852284 157704568