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58391944 = 2313561461
BaseRepresentation
bin1101111010111…
…1110110001000
311001212121200121
43132233312020
5104422020234
65443313024
71306215622
oct336576610
9131777617
1058391944
112aa62806
121767b774
13c136060
147a7dc12
1551d64b4
hex37afd88

58391944 has 16 divisors (see below), whose sum is σ = 117907020. Its totient is φ = 26950080.

The previous prime is 58391939. The next prime is 58391953. The reversal of 58391944 is 44919385.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58339044 + 52900 = 7638^2 + 230^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 58391944.

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, 280627 + ... + 280834.

Almost surely, 258391944 is an apocalyptic number.

It is an amenable number.

58391944 is an abundant number, since it is smaller than the sum of its proper divisors (59515076).

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

58391944 is a wasteful number, since it uses less digits than its factorization.

58391944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561480 (or 561476 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 58391944 is about 7641.4621637485. The cubic root of 58391944 is about 387.9576423098.

The spelling of 58391944 in words is "fifty-eight million, three hundred ninety-one thousand, nine hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 561461 1122922 2245844 4491688 7298993 14597986 29195972 58391944