Base | Representation |
---|---|
bin | 11110110001000… |
… | …11101000001001 |
3 | 122222122121122020 |
4 | 33120203220021 |
5 | 1012033030000 |
6 | 41335515053 |
7 | 6252530244 |
oct | 1730435011 |
9 | 588577566 |
10 | 258095625 |
11 | 122763077 |
12 | 72528a89 |
13 | 41618508 |
14 | 263c625b |
15 | 179d2ba0 |
hex | f623a09 |
258095625 has 40 divisors (see below), whose sum is σ = 432986400. Its totient is φ = 136704000.
The previous prime is 258095611. The next prime is 258095633. The reversal of 258095625 is 526590852.
It is not a de Polignac number, because 258095625 - 26 = 258095561 is a prime.
It is a super-2 number, since 2×2580956252 = 133226703288281250, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 335241 + ... + 336009.
It is an arithmetic number, because the mean of its divisors is an integer number (10824660).
Almost surely, 2258095625 is an apocalyptic number.
258095625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
258095625 is a deficient number, since it is larger than the sum of its proper divisors (174890775).
258095625 is an equidigital number, since it uses as much as digits as its factorization.
258095625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 971 (or 956 counting only the distinct ones).
The product of its (nonzero) digits is 216000, while the sum is 42.
The square root of 258095625 is about 16065.3548046721. The cubic root of 258095625 is about 636.6883172314.
The spelling of 258095625 in words is "two hundred fifty-eight million, ninety-five thousand, six hundred twenty-five".
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