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157016357 = 7317312433
BaseRepresentation
bin10010101101111…
…10000100100101
3101221110020221122
421112332010211
5310144010412
623325223325
73614421431
oct1126760445
9357406848
10157016357
11806a4793
1244701b45
13266b76b4
1416bd39c1
15dbb8572
hex95be125

157016357 has 8 divisors (see below), whose sum is σ = 160100184. Its totient is φ = 153957888.

The previous prime is 157016351. The next prime is 157016359. The reversal of 157016357 is 753610751.

157016357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30813601 + 126202756 = 5551^2 + 11234^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157016357 - 24 = 157016341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157016351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6413 + ... + 18845.

It is an arithmetic number, because the mean of its divisors is an integer number (20012523).

Almost surely, 2157016357 is an apocalyptic number.

It is an amenable number.

157016357 is a deficient number, since it is larger than the sum of its proper divisors (3083827).

157016357 is a wasteful number, since it uses less digits than its factorization.

157016357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12679.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 157016357 is about 12530.6167845003. The cubic root of 157016357 is about 539.4878053706.

The spelling of 157016357 in words is "one hundred fifty-seven million, sixteen thousand, three hundred fifty-seven".

Divisors: 1 73 173 12433 12629 907609 2150909 157016357