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52754440 = 2351318861
BaseRepresentation
bin1100100100111…
…1100000001000
310200021012111011
43021033200020
5102001120230
65122413304
71210256014
oct311174010
9120235434
1052754440
1127862212
1215801234
13ac1105b
147013544
154970e2a
hex324f808

52754440 has 16 divisors (see below), whose sum is σ = 118697580. Its totient is φ = 21101760.

The previous prime is 52754419. The next prime is 52754459. The reversal of 52754440 is 4445725.

It can be written as a sum of positive squares in 2 ways, for example, as 47306884 + 5447556 = 6878^2 + 2334^2 .

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, 659391 + ... + 659470.

Almost surely, 252754440 is an apocalyptic number.

It is an amenable number.

52754440 is an abundant number, since it is smaller than the sum of its proper divisors (65943140).

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

52754440 is a wasteful number, since it uses less digits than its factorization.

52754440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318872 (or 1318868 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 52754440 is about 7263.2251789408. The cubic root of 52754440 is about 375.0475554505.

The spelling of 52754440 in words is "fifty-two million, seven hundred fifty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1318861 2637722 5275444 6594305 10550888 13188610 26377220 52754440