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52052864 = 272317681
BaseRepresentation
bin1100011010010…
…0001110000000
310121221120002212
43012210032000
5101311142424
65055401252
71201304423
oct306441600
9117846085
1052052864
11274230a6
1215523228
13aa26916
146cad9ba
15488310e
hex31a4380

52052864 has 32 divisors (see below), whose sum is σ = 108213840. Its totient is φ = 24893440.

The previous prime is 52052857. The next prime is 52052873. The reversal of 52052864 is 46825025.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 52052864.

It is a congruent number.

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, 5897 + ... + 11784.

Almost surely, 252052864 is an apocalyptic number.

It is an amenable number.

52052864 is an abundant number, since it is smaller than the sum of its proper divisors (56160976).

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

52052864 is a wasteful number, since it uses less digits than its factorization.

52052864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718 (or 17706 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 52052864 is about 7214.7670787074. The cubic root of 52052864 is about 373.3775571195.

Adding to 52052864 its reverse (46825025), we get a palindrome (98877889).

The spelling of 52052864 in words is "fifty-two million, fifty-two thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 368 736 1472 2944 17681 35362 70724 141448 282896 406663 565792 813326 1131584 1626652 2263168 3253304 6506608 13013216 26026432 52052864