Base | Representation |
---|---|
bin | 1101100010101… |
… | …1100101000001 |
3 | 10221212211011000 |
4 | 3120223211001 |
5 | 104020122401 |
6 | 5345242213 |
7 | 1256543223 |
oct | 330534501 |
9 | 127784130 |
10 | 56801601 |
11 | 2a07697a |
12 | 17033369 |
13 | b9ca21c |
14 | 7788413 |
15 | 4ec0186 |
hex | 362b941 |
56801601 has 32 divisors (see below), whose sum is σ = 86486400. Its totient is φ = 36832320.
The previous prime is 56801599. The next prime is 56801603. The reversal of 56801601 is 10610865.
56801601 is a `hidden beast` number, since 56 + 8 + 0 + 1 + 601 = 666.
It is an interprime number because it is at equal distance from previous prime (56801599) and next prime (56801603).
It is not a de Polignac number, because 56801601 - 21 = 56801599 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (56801603) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288235 + ... + 288431.
It is an arithmetic number, because the mean of its divisors is an integer number (2702700).
Almost surely, 256801601 is an apocalyptic number.
It is an amenable number.
56801601 is a deficient number, since it is larger than the sum of its proper divisors (29684799).
56801601 is a wasteful number, since it uses less digits than its factorization.
56801601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446 (or 440 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 56801601 is about 7536.6836871399. The cubic root of 56801601 is about 384.4030801615.
The spelling of 56801601 in words is "fifty-six million, eight hundred one thousand, six hundred one".
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