Base | Representation |
---|---|
bin | 10111000101001… |
… | …110000011100000 |
3 | 222222200001020212 |
4 | 113011032003200 |
5 | 1243113304011 |
6 | 102231553252 |
7 | 12411344000 |
oct | 2705160340 |
9 | 888601225 |
10 | 387244256 |
11 | 189653383 |
12 | a982b828 |
13 | 622c6619 |
14 | 39604000 |
15 | 23ee408b |
hex | 1714e0e0 |
387244256 has 48 divisors (see below), whose sum is σ = 889106400. Its totient is φ = 165957120.
The previous prime is 387244243. The next prime is 387244289. The reversal of 387244256 is 652442783.
It is a super-2 number, since 2×3872442562 = 299916227609987072, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6665 + ... + 28616.
It is an arithmetic number, because the mean of its divisors is an integer number (18523050).
Almost surely, 2387244256 is an apocalyptic number.
It is an amenable number.
387244256 is an abundant number, since it is smaller than the sum of its proper divisors (501862144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387244256 is an equidigital number, since it uses as much as digits as its factorization.
387244256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35312 (or 35290 counting only the distinct ones).
The product of its digits is 322560, while the sum is 41.
The square root of 387244256 is about 19678.5227087808. The cubic root of 387244256 is about 728.8894454080.
The spelling of 387244256 in words is "three hundred eighty-seven million, two hundred forty-four thousand, two hundred fifty-six".
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