Base | Representation |
---|---|
bin | 11110110001100… |
… | …10001101000000 |
3 | 122222202122112110 |
4 | 33120302031000 |
5 | 1012041432303 |
6 | 41341055320 |
7 | 6253166304 |
oct | 1730621500 |
9 | 588678473 |
10 | 258155328 |
11 | 1227a3a12 |
12 | 72557540 |
13 | 41639742 |
14 | 263ddd04 |
15 | 179e5703 |
hex | f632340 |
258155328 has 28 divisors (see below), whose sum is σ = 683036480. Its totient is φ = 86051712.
The previous prime is 258155323. The next prime is 258155329. The reversal of 258155328 is 823551852.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (258155323) 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, 672088 + ... + 672471.
It is an arithmetic number, because the mean of its divisors is an integer number (24394160).
Almost surely, 2258155328 is an apocalyptic number.
It is an amenable number.
258155328 is an abundant number, since it is smaller than the sum of its proper divisors (424881152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258155328 is a wasteful number, since it uses less digits than its factorization.
258155328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1344574 (or 1344564 counting only the distinct ones).
The product of its digits is 96000, while the sum is 39.
The square root of 258155328 is about 16067.2128261251. The cubic root of 258155328 is about 636.7374066234.
The spelling of 258155328 in words is "two hundred fifty-eight million, one hundred fifty-five thousand, three hundred twenty-eight".
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