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53457804 = 22327691931
BaseRepresentation
bin1100101111101…
…1001110001100
310201120221022200
43023323032030
5102141122204
65145441500
71216245441
oct313731614
9121527280
1053457804
11281a2704
1215aa0290
13b0c924a
1471579c8
154a5e539
hex32fb38c

53457804 has 36 divisors (see below), whose sum is σ = 135375240. Its totient is φ = 17786880.

The previous prime is 53457797. The next prime is 53457821. The reversal of 53457804 is 40875435.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 26719 + ... + 28649.

Almost surely, 253457804 is an apocalyptic number.

It is an amenable number.

53457804 is an abundant number, since it is smaller than the sum of its proper divisors (81917436).

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

53457804 is a wasteful number, since it uses less digits than its factorization.

53457804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710 (or 2705 counting only the distinct ones).

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

The square root of 53457804 is about 7311.4843910112. The cubic root of 53457804 is about 376.7070124985.

The spelling of 53457804 in words is "fifty-three million, four hundred fifty-seven thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 769 1538 1931 2307 3076 3862 4614 5793 6921 7724 9228 11586 13842 17379 23172 27684 34758 69516 1484939 2969878 4454817 5939756 8909634 13364451 17819268 26728902 53457804