Base | Representation |
---|---|
bin | 1101011010110… |
… | …0011000100001 |
3 | 10220220100111000 |
4 | 3112230120201 |
5 | 103401434414 |
6 | 5330142213 |
7 | 1252243260 |
oct | 326543041 |
9 | 126810430 |
10 | 56280609 |
11 | 29850500 |
12 | 16a21969 |
13 | b877048 |
14 | 76905d7 |
15 | 4e1ab09 |
hex | 35ac621 |
56280609 has 96 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 27704160.
The previous prime is 56280599. The next prime is 56280611. The reversal of 56280609 is 90608265.
56280609 = 163 + 173 + ... + 1223.
It is not a de Polignac number, because 56280609 - 27 = 56280481 is a prime.
It is not an unprimeable number, because it can be changed into a prime (56280629) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 525934 + ... + 526040.
It is an arithmetic number, because the mean of its divisors is an integer number (1149120).
Almost surely, 256280609 is an apocalyptic number.
It is an amenable number.
56280609 is a deficient number, since it is larger than the sum of its proper divisors (54034911).
56280609 is a wasteful number, since it uses less digits than its factorization.
56280609 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168 (or 151 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 56280609 is about 7502.0403224723. The cubic root of 56280609 is about 383.2242027512.
The spelling of 56280609 in words is "fifty-six million, two hundred eighty thousand, six hundred nine".
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