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53281088 = 267118931
BaseRepresentation
bin1100101101000…
…0000101000000
310201020221220122
43023100011000
5102114443323
65141555412
71214611310
oct313200500
9121227818
1053281088
1128091963
1215a15b68
13b066993
14710d440
154a26ec8
hex32d0140

53281088 has 28 divisors (see below), whose sum is σ = 120834912. Its totient is φ = 22834560.

The previous prime is 53281069. The next prime is 53281093. The reversal of 53281088 is 88018235.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

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, 59018 + ... + 59913.

Almost surely, 253281088 is an apocalyptic number.

It is an amenable number.

53281088 is an abundant number, since it is smaller than the sum of its proper divisors (67553824).

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

53281088 is a wasteful number, since it uses less digits than its factorization.

53281088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118950 (or 118940 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 53281088 is about 7299.3895635183. The cubic root of 53281088 is about 376.2914595432.

The spelling of 53281088 in words is "fifty-three million, two hundred eighty-one thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 118931 237862 475724 832517 951448 1665034 1902896 3330068 3805792 6660136 7611584 13320272 26640544 53281088