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157928703 = 3196534243
BaseRepresentation
bin10010110100111…
…00110011111111
3102000011121110020
421122130303333
5310412204303
623400543223
73625241352
oct1132346377
9360147406
10157928703
1181168199
1244a81b13
1326946a4a
1416d90299
15dce8a53
hex969ccff

157928703 has 16 divisors (see below), whose sum is σ = 222046080. Its totient is φ = 99568224.

The previous prime is 157928699. The next prime is 157928713. The reversal of 157928703 is 307829751.

It is not a de Polignac number, because 157928703 - 22 = 157928699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157928713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35100 + ... + 39342.

It is an arithmetic number, because the mean of its divisors is an integer number (13877880).

Almost surely, 2157928703 is an apocalyptic number.

157928703 is a deficient number, since it is larger than the sum of its proper divisors (64117377).

157928703 is a wasteful number, since it uses less digits than its factorization.

157928703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 157928703 is about 12566.9687275810. The cubic root of 157928703 is about 540.5306888533.

The spelling of 157928703 in words is "one hundred fifty-seven million, nine hundred twenty-eight thousand, seven hundred three".

Divisors: 1 3 19 57 653 1959 4243 12407 12729 37221 80617 241851 2770679 8312037 52642901 157928703