Base | Representation |
---|---|
bin | 11110110010000… |
… | …11110011011100 |
3 | 122222220022102112 |
4 | 33121003303130 |
5 | 1012101234140 |
6 | 41342413152 |
7 | 6253616423 |
oct | 1731036334 |
9 | 588808375 |
10 | 258227420 |
11 | 1228430a0 |
12 | 725911b8 |
13 | 416634b9 |
14 | 2641c2ba |
15 | 17a0bc65 |
hex | f643cdc |
258227420 has 48 divisors (see below), whose sum is σ = 592704000. Its totient is φ = 93721920.
The previous prime is 258227419. The next prime is 258227441. The reversal of 258227420 is 24722852.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183881 + ... + 185279.
It is an arithmetic number, because the mean of its divisors is an integer number (12348000).
Almost surely, 2258227420 is an apocalyptic number.
258227420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
258227420 is an abundant number, since it is smaller than the sum of its proper divisors (334476580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258227420 is a wasteful number, since it uses less digits than its factorization.
258227420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2258 (or 2256 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 32.
The square root of 258227420 is about 16069.4561202301. The cubic root of 258227420 is about 636.7966724940.
The spelling of 258227420 in words is "two hundred fifty-eight million, two hundred twenty-seven thousand, four hundred twenty".
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