Base | Representation |
---|---|
bin | 11110110001001… |
… | …11010100001000 |
3 | 122222200101100121 |
4 | 33120213110020 |
5 | 1012034020403 |
6 | 41340113024 |
7 | 6252622261 |
oct | 1730472410 |
9 | 588611317 |
10 | 258110728 |
11 | 122773457 |
12 | 72535774 |
13 | 41622355 |
14 | 263cb968 |
15 | 179d73bd |
hex | f627508 |
258110728 has 32 divisors (see below), whose sum is σ = 513488160. Its totient is φ = 121212160.
The previous prime is 258110719. The next prime is 258110729. The reversal of 258110728 is 827011852.
It is a super-2 number, since 2×2581107282 = 133242295817379968, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a junction number, because it is equal to n+sod(n) for n = 258110693 and 258110702.
It is not an unprimeable number, because it can be changed into a prime (258110729) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 74883 + ... + 78253.
It is an arithmetic number, because the mean of its divisors is an integer number (16046505).
Almost surely, 2258110728 is an apocalyptic number.
It is an amenable number.
258110728 is a deficient number, since it is larger than the sum of its proper divisors (255377432).
258110728 is a wasteful number, since it uses less digits than its factorization.
258110728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3957 (or 3953 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 34.
The square root of 258110728 is about 16065.8248465493. The cubic root of 258110728 is about 636.7007360343.
The spelling of 258110728 in words is "two hundred fifty-eight million, one hundred ten thousand, seven hundred twenty-eight".
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