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52076840 = 2351301921
BaseRepresentation
bin1100011010101…
…0000100101000
310121222202222212
43012222010220
5101312424330
65100104252
71201434344
oct306520450
9117882885
1052076840
112743a112
1215535088
13aa347ca
146cb8624
15488a295
hex31aa128

52076840 has 16 divisors (see below), whose sum is σ = 117172980. Its totient is φ = 20830720.

The previous prime is 52076833. The next prime is 52076861. The reversal of 52076840 is 4867025.

It can be written as a sum of positive squares in 2 ways, for example, as 51638596 + 438244 = 7186^2 + 662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52076797 and 52076806.

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, 650921 + ... + 651000.

Almost surely, 252076840 is an apocalyptic number.

It is an amenable number.

52076840 is an abundant number, since it is smaller than the sum of its proper divisors (65096140).

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

52076840 is a wasteful number, since it uses less digits than its factorization.

52076840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301932 (or 1301928 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 52076840 is about 7216.4284795181. The cubic root of 52076840 is about 373.4348752989.

The spelling of 52076840 in words is "fifty-two million, seventy-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1301921 2603842 5207684 6509605 10415368 13019210 26038420 52076840