Base | Representation |
---|---|
bin | 1101100100001… |
… | …1110000101111 |
3 | 10222001212000200 |
4 | 3121003300233 |
5 | 104031310110 |
6 | 5351324543 |
7 | 1260435060 |
oct | 331036057 |
9 | 128055020 |
10 | 56900655 |
11 | 2a134339 |
12 | 17080753 |
13 | ba33336 |
14 | 77b2567 |
15 | 4ede6c0 |
hex | 3643c2f |
56900655 has 48 divisors (see below), whose sum is σ = 116373504. Its totient is φ = 25168320.
The previous prime is 56900651. The next prime is 56900659. The reversal of 56900655 is 55600965.
It is an interprime number because it is at equal distance from previous prime (56900651) and next prime (56900659).
It is not a de Polignac number, because 56900655 - 22 = 56900651 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56900651) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6852 + ... + 12678.
It is an arithmetic number, because the mean of its divisors is an integer number (2424448).
Almost surely, 256900655 is an apocalyptic number.
56900655 is an abundant number, since it is smaller than the sum of its proper divisors (59472849).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56900655 is a wasteful number, since it uses less digits than its factorization.
56900655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5876 (or 5873 counting only the distinct ones).
The product of its (nonzero) digits is 40500, while the sum is 36.
The square root of 56900655 is about 7543.2522826696. The cubic root of 56900655 is about 384.6263986948.
The spelling of 56900655 in words is "fifty-six million, nine hundred thousand, six hundred fifty-five".
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