Base | Representation |
---|---|
bin | 1101100000010… |
… | …1111011100011 |
3 | 10221120222121200 |
4 | 3120011323203 |
5 | 104000204040 |
6 | 5342052243 |
7 | 1255331520 |
oct | 330057343 |
9 | 127528550 |
10 | 56647395 |
11 | 29a81032 |
12 | 16b7a083 |
13 | b974c8c |
14 | 7748147 |
15 | 4e8e630 |
hex | 3605ee3 |
56647395 has 24 divisors (see below), whose sum is σ = 112216416. Its totient is φ = 25895808.
The previous prime is 56647391. The next prime is 56647397. The reversal of 56647395 is 59374665.
It is not a de Polignac number, because 56647395 - 22 = 56647391 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 56647395.
It is not an unprimeable number, because it can be changed into a prime (56647391) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89602 + ... + 90231.
It is an arithmetic number, because the mean of its divisors is an integer number (4675684).
Almost surely, 256647395 is an apocalyptic number.
56647395 is a deficient number, since it is larger than the sum of its proper divisors (55569021).
56647395 is a wasteful number, since it uses less digits than its factorization.
56647395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179851 (or 179848 counting only the distinct ones).
The product of its digits is 680400, while the sum is 45.
The square root of 56647395 is about 7526.4463726250. The cubic root of 56647395 is about 384.0549034452.
It can be divided in two parts, 566 and 47395, that added together give a square (47961 = 2192).
The spelling of 56647395 in words is "fifty-six million, six hundred forty-seven thousand, three hundred ninety-five".
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