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52129696 = 254139733
BaseRepresentation
bin1100011011011…
…0111110100000
310122002110111111
43012312332200
5101321122241
65101153104
71202044423
oct306667640
9118073444
1052129696
11274758a3
121555b794
13aa52898
146ccd9ba
15489ac81
hex31b6fa0

52129696 has 24 divisors (see below), whose sum is σ = 105136164. Its totient is φ = 25428480.

The previous prime is 52129669. The next prime is 52129723. The reversal of 52129696 is 69692125.

It is an interprime number because it is at equal distance from previous prime (52129669) and next prime (52129723).

It can be written as a sum of positive squares in 2 ways, for example, as 52128400 + 1296 = 7220^2 + 36^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

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, 18555 + ... + 21178.

Almost surely, 252129696 is an apocalyptic number.

It is an amenable number.

52129696 is an abundant number, since it is smaller than the sum of its proper divisors (53006468).

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

52129696 is a wasteful number, since it uses less digits than its factorization.

52129696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39784 (or 39776 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 52129696 is about 7220.0897501347. The cubic root of 52129696 is about 373.5611732826.

It can be divided in two parts, 52129 and 696, that added together give a palindrome (52825).

The spelling of 52129696 in words is "fifty-two million, one hundred twenty-nine thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 39733 79466 158932 317864 635728 1271456 1629053 3258106 6516212 13032424 26064848 52129696