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52731408 = 2436311741
BaseRepresentation
bin1100100100100…
…1111000010000
310200020000220010
43021021320100
5101444401113
65122114520
71210131612
oct311117020
9120200803
1052731408
1127846984
12157aba40
13ac03722
147008db2
1549691c3
hex3249e10

52731408 has 40 divisors (see below), whose sum is σ = 136517056. Its totient is φ = 17539200.

The previous prime is 52731397. The next prime is 52731409. The reversal of 52731408 is 80413725.

It is not an unprimeable number, because it can be changed into a prime (52731409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29418 + ... + 31158.

Almost surely, 252731408 is an apocalyptic number.

It is an amenable number.

52731408 is an abundant number, since it is smaller than the sum of its proper divisors (83785648).

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

52731408 is a wasteful number, since it uses less digits than its factorization.

52731408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 52731408 is about 7261.6394843038. The cubic root of 52731408 is about 374.9929669792.

The spelling of 52731408 in words is "fifty-two million, seven hundred thirty-one thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 631 1262 1741 1893 2524 3482 3786 5048 5223 6964 7572 10096 10446 13928 15144 20892 27856 30288 41784 83568 1098571 2197142 3295713 4394284 6591426 8788568 13182852 17577136 26365704 52731408