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58031140 = 2257140867
BaseRepresentation
bin1101110101011…
…1110000100100
311001012021202111
43131113300210
5104323444030
65431450404
71303153666
oct335276044
9131167674
1058031140
112a836722
1217526a04
13c03aa6b
1479c8536
15516462a
hex3757c24

58031140 has 24 divisors (see below), whose sum is σ = 123584832. Its totient is φ = 22884960.

The previous prime is 58031089. The next prime is 58031143. The reversal of 58031140 is 4113085.

It is a super-2 number, since 2×580311402 = 6735226419399200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (58031143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19014 + ... + 21853.

It is an arithmetic number, because the mean of its divisors is an integer number (5149368).

Almost surely, 258031140 is an apocalyptic number.

It is an amenable number.

58031140 is an abundant number, since it is smaller than the sum of its proper divisors (65553692).

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

58031140 is a wasteful number, since it uses less digits than its factorization.

58031140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40947 (or 40945 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 58031140 is about 7617.8172726838. The cubic root of 58031140 is about 387.1569270126.

The spelling of 58031140 in words is "fifty-eight million, thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 40867 81734 163468 204335 408670 817340 2901557 5803114 11606228 14507785 29015570 58031140