Base | Representation |
---|---|
bin | 1101100011000… |
… | …0110110101111 |
3 | 10221220220210112 |
4 | 3120300312233 |
5 | 104021320330 |
6 | 5345530235 |
7 | 1256663231 |
oct | 330606657 |
9 | 127826715 |
10 | 56823215 |
11 | 2a091139 |
12 | 1704397b |
13 | ba07007 |
14 | 7792251 |
15 | 4ec6795 |
hex | 3630daf |
56823215 has 8 divisors (see below), whose sum is σ = 68709168. Its totient is φ = 45111040.
The previous prime is 56823203. The next prime is 56823223. The reversal of 56823215 is 51232865.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 56823215 - 210 = 56822191 is a prime.
It is a super-3 number, since 3×568232153 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
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, 42722 + ... + 44031.
It is an arithmetic number, because the mean of its divisors is an integer number (8588646).
Almost surely, 256823215 is an apocalyptic number.
56823215 is a deficient number, since it is larger than the sum of its proper divisors (11885953).
56823215 is a wasteful number, since it uses less digits than its factorization.
56823215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86889.
The product of its digits is 14400, while the sum is 32.
The square root of 56823215 is about 7538.1174705625. The cubic root of 56823215 is about 384.4518313376.
The spelling of 56823215 in words is "fifty-six million, eight hundred twenty-three thousand, two hundred fifteen".
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