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53086480 = 245663581
BaseRepresentation
bin1100101010000…
…0100100010000
310200220001221221
43022200210100
5102042231410
65133454424
71213141036
oct312404420
9120801857
1053086480
1127a69727
1215941414
13acc9225
14709c556
1549d94da
hex32a0910

53086480 has 20 divisors (see below), whose sum is σ = 123426252. Its totient is φ = 21234560.

The previous prime is 53086471. The next prime is 53086493. The reversal of 53086480 is 8468035.

It can be written as a sum of positive squares in 2 ways, for example, as 10471696 + 42614784 = 3236^2 + 6528^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 331711 + ... + 331870.

Almost surely, 253086480 is an apocalyptic number.

It is an amenable number.

53086480 is an abundant number, since it is smaller than the sum of its proper divisors (70339772).

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

53086480 is a wasteful number, since it uses less digits than its factorization.

53086480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663594 (or 663588 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 53086480 is about 7286.0469391845. The cubic root of 53086480 is about 375.8327685478.

The spelling of 53086480 in words is "fifty-three million, eighty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 663581 1327162 2654324 3317905 5308648 6635810 10617296 13271620 26543240 53086480