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58125830 = 2572379457
BaseRepresentation
bin1101110110111…
…0111000000110
311001101002122112
43131232320012
5104340011310
65433501022
71304030030
oct335567006
9131332575
1058125830
112a8a0884
1217571772
13c071ba9
147a10c50
155182705
hex376ee06

58125830 has 64 divisors (see below), whose sum is σ = 126627840. Its totient is φ = 18779904.

The previous prime is 58125829. The next prime is 58125857. The reversal of 58125830 is 3852185.

It is a happy number.

It is a super-2 number, since 2×581258302 = 6757224226377800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126962 + ... + 127418.

It is an arithmetic number, because the mean of its divisors is an integer number (1978560).

Almost surely, 258125830 is an apocalyptic number.

58125830 is an abundant number, since it is smaller than the sum of its proper divisors (68502010).

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

58125830 is a wasteful number, since it uses less digits than its factorization.

58125830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

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

The square root of 58125830 is about 7624.0297743385. The cubic root of 58125830 is about 387.3673885455.

The spelling of 58125830 in words is "fifty-eight million, one hundred twenty-five thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 79 115 158 161 230 322 395 457 553 790 805 914 1106 1610 1817 2285 2765 3199 3634 4570 5530 6398 9085 10511 12719 15995 18170 21022 25438 31990 36103 52555 63595 72206 73577 105110 127190 147154 180515 252721 361030 367885 505442 735770 830369 1263605 1660738 2527210 4151845 5812583 8303690 11625166 29062915 58125830