Base | Representation |
---|---|
bin | 1101011001111… |
… | …0010100110001 |
3 | 10220210102111021 |
4 | 3112132110301 |
5 | 103343114100 |
6 | 5325015441 |
7 | 1251613345 |
oct | 326362461 |
9 | 126712437 |
10 | 56223025 |
11 | 29811211 |
12 | 169b4581 |
13 | b856a81 |
14 | 7677625 |
15 | 4e08a1a |
hex | 359e531 |
56223025 has 12 divisors (see below), whose sum is σ = 72121500. Its totient is φ = 43426880.
The previous prime is 56223001. The next prime is 56223031. The reversal of 56223025 is 52032265.
It can be written as a sum of positive squares in 6 ways, for example, as 6110784 + 50112241 = 2472^2 + 7079^2 .
It is not a de Polignac number, because 56223025 - 217 = 56091953 is a prime.
It is a super-2 number, since 2×562230252 = 6322057080301250, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38050 + ... + 39499.
It is an arithmetic number, because the mean of its divisors is an integer number (6010125).
Almost surely, 256223025 is an apocalyptic number.
It is an amenable number.
56223025 is a deficient number, since it is larger than the sum of its proper divisors (15898475).
56223025 is a wasteful number, since it uses less digits than its factorization.
56223025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77588 (or 77583 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 56223025 is about 7498.2014510148. The cubic root of 56223025 is about 383.0934584126.
The spelling of 56223025 in words is "fifty-six million, two hundred twenty-three thousand, twenty-five".
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