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258363090 = 23252870701
BaseRepresentation
bin11110110011001…
…00111011010010
3200000011012112100
433121210323102
51012120104330
641345341230
76255023106
oct1731447322
9600135470
10258363090
11122926017
1272637816
13416b018b
1426455906
1517a37060
hexf664ed2

258363090 has 24 divisors (see below), whose sum is σ = 671744268. Its totient is φ = 68896800.

The previous prime is 258363073. The next prime is 258363103. The reversal of 258363090 is 90363852.

It can be written as a sum of positive squares in 2 ways, for example, as 242705241 + 15657849 = 15579^2 + 3957^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1435261 + ... + 1435440.

Almost surely, 2258363090 is an apocalyptic number.

258363090 is an abundant number, since it is smaller than the sum of its proper divisors (413381178).

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

258363090 is a wasteful number, since it uses less digits than its factorization.

258363090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870714 (or 2870711 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 258363090 is about 16073.6769284442. The cubic root of 258363090 is about 636.9081750845.

The spelling of 258363090 in words is "two hundred fifty-eight million, three hundred sixty-three thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2870701 5741402 8612103 14353505 17224206 25836309 28707010 43060515 51672618 86121030 129181545 258363090