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157407694 = 2376134871
BaseRepresentation
bin10010110000111…
…01100111001110
3101222012010202121
421120131213032
5310244021234
623341443154
73620641363
oct1130354716
9358163677
10157407694
1180941804
12448704ba
13267c3862
1416c9646a
15dc444b4
hex961d9ce

157407694 has 16 divisors (see below), whose sum is σ = 246475296. Its totient is φ = 75319200.

The previous prime is 157407689. The next prime is 157407703. The reversal of 157407694 is 496704751.

It is a self number, because there is not a number n which added to its sum of digits gives 157407694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12922 + ... + 21949.

It is an arithmetic number, because the mean of its divisors is an integer number (15404706).

Almost surely, 2157407694 is an apocalyptic number.

157407694 is a deficient number, since it is larger than the sum of its proper divisors (89067602).

157407694 is a wasteful number, since it uses less digits than its factorization.

157407694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34971.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 157407694 is about 12546.2222999595. Note that the first 4 decimals coincide. The cubic root of 157407694 is about 539.9356279005.

The spelling of 157407694 in words is "one hundred fifty-seven million, four hundred seven thousand, six hundred ninety-four".

Divisors: 1 2 37 61 74 122 2257 4514 34871 69742 1290227 2127131 2580454 4254262 78703847 157407694