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52831136 = 254493677
BaseRepresentation
bin1100100110001…
…0001110100000
310200102002200202
43021202032200
5102011044021
65124204332
71211025431
oct311421640
9120362622
1052831136
11279048a6
12158396a8
13ac39c37
147033488
154988a0b
hex32623a0

52831136 has 24 divisors (see below), whose sum is σ = 104271300. Its totient is φ = 26349568.

The previous prime is 52831073. The next prime is 52831151. The reversal of 52831136 is 63113825.

It can be written as a sum of positive squares in 2 ways, for example, as 50410000 + 2421136 = 7100^2 + 1556^2 .

It is a super-2 number, since 2×528311362 = 5582257862100992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52831099 and 52831108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12530 + ... + 16206.

Almost surely, 252831136 is an apocalyptic number.

It is an amenable number.

52831136 is a deficient number, since it is larger than the sum of its proper divisors (51440164).

52831136 is a wasteful number, since it uses less digits than its factorization.

52831136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136 (or 4128 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 52831136 is about 7268.5030095612. The cubic root of 52831136 is about 375.2292192683.

The spelling of 52831136 in words is "fifty-two million, eight hundred thirty-one thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 449 898 1796 3592 3677 7184 7354 14368 14708 29416 58832 117664 1650973 3301946 6603892 13207784 26415568 52831136