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157490735 = 5291517193
BaseRepresentation
bin10010110001100…
…01111000101111
3101222100100200012
421120301320233
5310304200420
623343323435
73621435443
oct1130617057
9358310605
10157490735
1180999136
12448b057b
13268225ac
1416cb8823
15dc5ddc5
hex9631e2f

157490735 has 16 divisors (see below), whose sum is σ = 196827840. Its totient is φ = 120825600.

The previous prime is 157490731. The next prime is 157490743. The reversal of 157490735 is 537094751.

It is not a de Polignac number, because 157490735 - 22 = 157490731 is a prime.

It is a super-2 number, since 2×1574907352 = 49606663221680450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157490692 and 157490701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157490731) 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, 18299 + ... + 25491.

It is an arithmetic number, because the mean of its divisors is an integer number (12301740).

Almost surely, 2157490735 is an apocalyptic number.

157490735 is a deficient number, since it is larger than the sum of its proper divisors (39337105).

157490735 is a wasteful number, since it uses less digits than its factorization.

157490735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 157490735 is about 12549.5312661470. The cubic root of 157490735 is about 540.0305595417.

The spelling of 157490735 in words is "one hundred fifty-seven million, four hundred ninety thousand, seven hundred thirty-five".

Divisors: 1 5 29 145 151 755 4379 7193 21895 35965 208597 1042985 1086143 5430715 31498147 157490735