Base | Representation |
---|---|
bin | 1101011011110… |
… | …0010001111101 |
3 | 10221000122210201 |
4 | 3112330101331 |
5 | 103411030400 |
6 | 5331403501 |
7 | 1252634152 |
oct | 326742175 |
9 | 127018721 |
10 | 56345725 |
11 | 29895417 |
12 | 16a53591 |
13 | b89a887 |
14 | 76aa229 |
15 | 4e3006a |
hex | 35bc47d |
56345725 has 12 divisors (see below), whose sum is σ = 70034580. Its totient is φ = 44969600.
The previous prime is 56345719. The next prime is 56345741. The reversal of 56345725 is 52754365.
It can be written as a sum of positive squares in 6 ways, for example, as 962361 + 55383364 = 981^2 + 7442^2 .
It is not a de Polignac number, because 56345725 - 23 = 56345717 is a prime.
It is a super-3 number, since 3×563457253 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
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, 9081 + ... + 13969.
It is an arithmetic number, because the mean of its divisors is an integer number (5836215).
Almost surely, 256345725 is an apocalyptic number.
It is an amenable number.
56345725 is a deficient number, since it is larger than the sum of its proper divisors (13688855).
56345725 is a wasteful number, since it uses less digits than its factorization.
56345725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5360 (or 5355 counting only the distinct ones).
The product of its digits is 126000, while the sum is 37.
The square root of 56345725 is about 7506.3789539298. The cubic root of 56345725 is about 383.3719410810.
The spelling of 56345725 in words is "fifty-six million, three hundred forty-five thousand, seven hundred twenty-five".
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