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52504732 = 2272964661
BaseRepresentation
bin1100100001001…
…0100010011100
310122210111221201
43020102202130
5101420122412
65113205244
71205166010
oct310224234
9118714851
1052504732
1127701645
1215700824
13ab544b7
146d8a540
154921e57
hex321289c

52504732 has 24 divisors (see below), whose sum is σ = 108632160. Its totient is φ = 21725760.

The previous prime is 52504717. The next prime is 52504741. The reversal of 52504732 is 23740525.

It is a super-3 number, since 3×525047323 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 52504732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31519 + ... + 33142.

It is an arithmetic number, because the mean of its divisors is an integer number (4526340).

Almost surely, 252504732 is an apocalyptic number.

It is an amenable number.

52504732 is an abundant number, since it is smaller than the sum of its proper divisors (56127428).

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

52504732 is a wasteful number, since it uses less digits than its factorization.

52504732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64701 (or 64699 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 52504732 is about 7246.0149047597. The cubic root of 52504732 is about 374.4548689735.

The spelling of 52504732 in words is "fifty-two million, five hundred four thousand, seven hundred thirty-two".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 64661 129322 258644 452627 905254 1810508 1875169 3750338 7500676 13126183 26252366 52504732