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52269320 = 2351306733
BaseRepresentation
bin1100011101100…
…1000100001000
310122100120000202
43013121010020
5101340104240
65104151332
71203165455
oct307310410
9118316022
1052269320
1127560794
1215608548
13aaa12bc
146d2882c
1548c7315
hex31d9108

52269320 has 16 divisors (see below), whose sum is σ = 117606060. Its totient is φ = 20907712.

The previous prime is 52269319. The next prime is 52269331. The reversal of 52269320 is 2396225.

It can be written as a sum of positive squares in 2 ways, for example, as 51351556 + 917764 = 7166^2 + 958^2 .

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, 653327 + ... + 653406.

Almost surely, 252269320 is an apocalyptic number.

It is an amenable number.

52269320 is an abundant number, since it is smaller than the sum of its proper divisors (65336740).

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

52269320 is a wasteful number, since it uses less digits than its factorization.

52269320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306744 (or 1306740 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 52269320 is about 7229.7524162311. The cubic root of 52269320 is about 373.8943909539.

The spelling of 52269320 in words is "fifty-two million, two hundred sixty-nine thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1306733 2613466 5226932 6533665 10453864 13067330 26134660 52269320