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157008674 = 2683311489
BaseRepresentation
bin10010101101111…
…00001100100010
3101221102212102002
421112330030202
5310143234144
623325124002
73614360144
oct1126741442
9357385362
10157008674
1180699a39
12446b9602
13266b4054
1416bd0c94
15dbb614e
hex95bc322

157008674 has 8 divisors (see below), whose sum is σ = 235567980. Its totient is φ = 78486016.

The previous prime is 157008667. The next prime is 157008689. The reversal of 157008674 is 476800751.

It can be written as a sum of positive squares in 2 ways, for example, as 137710225 + 19298449 = 11735^2 + 4393^2 .

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

It is a super-2 number, since 2×1570086742 = 49303447422476552, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7922 + ... + 19410.

Almost surely, 2157008674 is an apocalyptic number.

157008674 is a deficient number, since it is larger than the sum of its proper divisors (78559306).

157008674 is a wasteful number, since it uses less digits than its factorization.

157008674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18324.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 157008674 is about 12530.3102116428. The cubic root of 157008674 is about 539.4790059637.

The spelling of 157008674 in words is "one hundred fifty-seven million, eight thousand, six hundred seventy-four".

Divisors: 1 2 6833 11489 13666 22978 78504337 157008674