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58512380 = 2252925619
BaseRepresentation
bin1101111100110…
…1001111111100
311002002201220012
43133031033330
5104434344010
65450042352
71310230013
oct337151774
9132081805
1058512380
1130035243
12177193b8
13c178b14
147ab1a7a
15520c005
hex37cd3fc

58512380 has 12 divisors (see below), whose sum is σ = 122876040. Its totient is φ = 23404944.

The previous prime is 58512353. The next prime is 58512397. The reversal of 58512380 is 8321585.

It is a happy number.

It is a super-2 number, since 2×585123802 = 6847397226528800, which contains 22 as substring.

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, 1462790 + ... + 1462829.

It is an arithmetic number, because the mean of its divisors is an integer number (10239670).

Almost surely, 258512380 is an apocalyptic number.

It is an amenable number.

58512380 is an abundant number, since it is smaller than the sum of its proper divisors (64363660).

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

58512380 is a wasteful number, since it uses less digits than its factorization.

58512380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925628 (or 2925626 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 58512380 is about 7649.3385334943. The cubic root of 58512380 is about 388.2241858126.

The spelling of 58512380 in words is "fifty-eight million, five hundred twelve thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2925619 5851238 11702476 14628095 29256190 58512380