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258100060 = 22512905003
BaseRepresentation
bin11110110001001…
…00101101011100
3122222122211201111
433120210231130
51012033200220
641335551404
76252546211
oct1730445534
9588584644
10258100060
11122766439
127252b564
134161a53a
14263c7b08
15179d415a
hexf624b5c

258100060 has 12 divisors (see below), whose sum is σ = 542010168. Its totient is φ = 103240016.

The previous prime is 258100039. The next prime is 258100067. The reversal of 258100060 is 60001852.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258100067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6452482 + ... + 6452521.

It is an arithmetic number, because the mean of its divisors is an integer number (45167514).

Almost surely, 2258100060 is an apocalyptic number.

258100060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258100060 is an abundant number, since it is smaller than the sum of its proper divisors (283910108).

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

258100060 is a wasteful number, since it uses less digits than its factorization.

258100060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12905012 (or 12905010 counting only the distinct ones).

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

The square root of 258100060 is about 16065.4928340216. The cubic root of 258100060 is about 636.6919640664.

The spelling of 258100060 in words is "two hundred fifty-eight million, one hundred thousand, sixty".

Divisors: 1 2 4 5 10 20 12905003 25810006 51620012 64525015 129050030 258100060