Base | Representation |
---|---|
bin | 1110000000001… |
… | …0110110010000 |
3 | 11002111220001022 |
4 | 3200002312100 |
5 | 110013410140 |
6 | 5454455012 |
7 | 1312133042 |
oct | 340026620 |
9 | 132456038 |
10 | 58731920 |
11 | 30175185 |
12 | 17804468 |
13 | c224a20 |
14 | 7b2ba92 |
15 | 52520b5 |
hex | 3802d90 |
58731920 has 40 divisors (see below), whose sum is σ = 147058296. Its totient is φ = 21685248.
The previous prime is 58731919. The next prime is 58731961. The reversal of 58731920 is 2913785.
It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 55591936 = 1772^2 + 7456^2 .
It is a tau number, because it is divible by the number of its divisors (40).
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, 27197 + ... + 29276.
Almost surely, 258731920 is an apocalyptic number.
It is an amenable number.
58731920 is an abundant number, since it is smaller than the sum of its proper divisors (88326376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
58731920 is a wasteful number, since it uses less digits than its factorization.
58731920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56499 (or 56493 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 58731920 is about 7663.6753584687. The cubic root of 58731920 is about 388.7091222962.
The spelling of 58731920 in words is "fifty-eight million, seven hundred thirty-one thousand, nine hundred twenty".
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