Base | Representation |
---|---|
bin | 11110110010101… |
… | …11100010001000 |
3 | 200000001102021120 |
4 | 33121113202020 |
5 | 1012111330412 |
6 | 41344235240 |
7 | 6254404140 |
oct | 1731274210 |
9 | 600042246 |
10 | 258308232 |
11 | 122898886 |
12 | 7260bb20 |
13 | 41691210 |
14 | 2643d920 |
15 | 17a25b8c |
hex | f657888 |
258308232 has 64 divisors (see below), whose sum is σ = 794801280. Its totient is φ = 68124672.
The previous prime is 258308143. The next prime is 258308233. The reversal of 258308232 is 232803852.
258308232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 258308193 and 258308202.
It is not an unprimeable number, because it can be changed into a prime (258308233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56953 + ... + 61320.
It is an arithmetic number, because the mean of its divisors is an integer number (12418770).
Almost surely, 2258308232 is an apocalyptic number.
It is an amenable number.
258308232 is an abundant number, since it is smaller than the sum of its proper divisors (536493048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258308232 is a wasteful number, since it uses less digits than its factorization.
258308232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118302 (or 118298 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 258308232 is about 16071.9703832480. The cubic root of 258308232 is about 636.8630938491.
The spelling of 258308232 in words is "two hundred fifty-eight million, three hundred eight thousand, two hundred thirty-two".
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