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157007706 = 23234326459
BaseRepresentation
bin10010101101110…
…11111101011010
3101221102211002020
421112323331122
5310143221311
623325115310
73614354262
oct1126737532
9357384066
10157007706
1180699239
12446b8b36
13266b378b
1416bd07a2
15dbb5c06
hex95bbf5a

157007706 has 32 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 48894384.

The previous prime is 157007701. The next prime is 157007723. The reversal of 157007706 is 607700751.

157007706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157007701) 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, 7296 + ... + 19163.

It is an arithmetic number, because the mean of its divisors is an integer number (10478160).

Almost surely, 2157007706 is an apocalyptic number.

157007706 is an abundant number, since it is smaller than the sum of its proper divisors (178293414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157007706 is a wasteful number, since it uses less digits than its factorization.

157007706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26530.

The product of its (nonzero) digits is 10290, while the sum is 33.

The square root of 157007706 is about 12530.2715852451. The cubic root of 157007706 is about 539.4778972845.

The spelling of 157007706 in words is "one hundred fifty-seven million, seven thousand, seven hundred six".

Divisors: 1 2 3 6 23 43 46 69 86 129 138 258 989 1978 2967 5934 26459 52918 79377 158754 608557 1137737 1217114 1825671 2275474 3413211 3651342 6826422 26167951 52335902 78503853 157007706