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857153038 = 27317127817
BaseRepresentation
bin110011000101110…
…001111000001110
32012201212212220211
4303011301320032
53223412344123
6221015433034
730145452310
oct6305617016
92181785824
10857153038
113aa927845
121bb08577a
13108774061
1481ba57b0
15503b640d
hex33171e0e

857153038 has 32 divisors (see below), whose sum is σ = 1538224128. Its totient is φ = 350481600.

The previous prime is 857153027. The next prime is 857153057. The reversal of 857153038 is 830351758.

857153038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8571530382 = 1469422661105258888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16906 + ... + 44722.

It is an arithmetic number, because the mean of its divisors is an integer number (48069504).

Almost surely, 2857153038 is an apocalyptic number.

857153038 is a deficient number, since it is larger than the sum of its proper divisors (681071090).

857153038 is a wasteful number, since it uses less digits than its factorization.

857153038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27928.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 857153038 is about 29277.1760591762. The cubic root of 857153038 is about 949.9180124997.

The spelling of 857153038 in words is "eight hundred fifty-seven million, one hundred fifty-three thousand, thirty-eight".

Divisors: 1 2 7 14 31 62 71 142 217 434 497 994 2201 4402 15407 27817 30814 55634 194719 389438 862327 1724654 1975007 3950014 6036289 12072578 13825049 27650098 61225217 122450434 428576519 857153038