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53057484 = 2233491273
BaseRepresentation
bin1100101001100…
…1011111001100
310200211121012000
43022121133030
5102040314414
65133112300
71212660354
oct312313714
9120747160
1053057484
1127a49967
1215928690
13acb8c7c
147091b64
1549d0b09
hex32997cc

53057484 has 24 divisors (see below), whose sum is σ = 137556720. Its totient is φ = 17685792.

The previous prime is 53057479. The next prime is 53057491. The reversal of 53057484 is 48475035.

53057484 is a `hidden beast` number, since 5 + 3 + 0 + 574 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245529 + ... + 245744.

It is an arithmetic number, because the mean of its divisors is an integer number (5731530).

Almost surely, 253057484 is an apocalyptic number.

53057484 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53057484 is an abundant number, since it is smaller than the sum of its proper divisors (84499236).

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

53057484 is a wasteful number, since it uses less digits than its factorization.

53057484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491286 (or 491278 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 53057484 is about 7284.0568366811. The cubic root of 53057484 is about 375.7643290777.

The spelling of 53057484 in words is "fifty-three million, fifty-seven thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 491273 982546 1473819 1965092 2947638 4421457 5895276 8842914 13264371 17685828 26528742 53057484