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1057852836 = 2232292713739
BaseRepresentation
bin111111000011011…
…000110110100100
32201201112111021200
4333003120312210
54131302242321
6252545242500
735133413025
oct7703306644
92651474250
101057852836
114a3148547
12256333430
1313b214a31
14a06cac4c
1562d0cd26
hex3f0d8da4

1057852836 has 72 divisors (see below), whose sum is σ = 2777174400. Its totient is φ = 339111360.

The previous prime is 1057852813. The next prime is 1057852877. The reversal of 1057852836 is 6382587501.

It is a super-2 number, since 2×10578528362 = 2238105245266485792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057852791 and 1057852800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281055 + ... + 284793.

Almost surely, 21057852836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057852836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1388587200).

1057852836 is an abundant number, since it is smaller than the sum of its proper divisors (1719321564).

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

1057852836 is a wasteful number, since it uses less digits than its factorization.

1057852836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049 (or 4044 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 1057852836 is about 32524.6496675983. The cubic root of 1057852836 is about 1018.9239054944.

The spelling of 1057852836 in words is "one billion, fifty-seven million, eight hundred fifty-two thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 271 348 522 542 813 1044 1084 1626 2439 3252 3739 4878 7478 7859 9756 11217 14956 15718 22434 23577 31436 33651 44868 47154 67302 70731 94308 108431 134604 141462 216862 282924 325293 433724 650586 975879 1013269 1301172 1951758 2026538 3039807 3903516 4053076 6079614 9119421 12159228 18238842 29384801 36477684 58769602 88154403 117539204 176308806 264463209 352617612 528926418 1057852836