Base | Representation |
---|---|
bin | 1111010100011… |
… | …1100100000000 |
3 | 11110220120000100 |
4 | 3311013210000 |
5 | 112422200011 |
6 | 10213122400 |
7 | 1410112011 |
oct | 365074400 |
9 | 143816010 |
10 | 64256256 |
11 | 332a8749 |
12 | 19629400 |
13 | 1040a36c |
14 | 8769008 |
15 | 5993d56 |
hex | 3d47900 |
64256256 has 81 divisors (see below), whose sum is σ = 186382651. Its totient is φ = 21290496.
The previous prime is 64256239. The next prime is 64256281. The reversal of 64256256 is 65265246.
The square root of 64256256 is 8016.
It is a perfect power (a square), and thus also a powerful number.
64256256 is a `hidden beast` number, since 6 + 4 + 25 + 625 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 64256256.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 384685 + ... + 384851.
Almost surely, 264256256 is an apocalyptic number.
64256256 is the 8016-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64256256
64256256 is an abundant number, since it is smaller than the sum of its proper divisors (122126395).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64256256 is an equidigital number, since it uses as much as digits as its factorization.
64256256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 356 (or 172 counting only the distinct ones).
The product of its digits is 86400, while the sum is 36.
The cubic root of 64256256 is about 400.5331557134.
Multiplying 64256256 by its sum of digits (36), we get a square (2313225216 = 480962).
64256256 divided by its sum of digits (36) gives a square (1784896 = 13362).
The spelling of 64256256 in words is "sixty-four million, two hundred fifty-six thousand, two hundred fifty-six".
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