Base | Representation |
---|---|
bin | 1101011010110… |
… | …0000000000000 |
3 | 10220220021022220 |
4 | 3112230000000 |
5 | 103401412130 |
6 | 5330131040 |
7 | 1252235556 |
oct | 326540000 |
9 | 126807286 |
10 | 56279040 |
11 | 2984a304 |
12 | 16a20a80 |
13 | b87640c |
14 | 768dbd6 |
15 | 4e1a410 |
hex | 35ac000 |
56279040 has 120 divisors (see below), whose sum is σ = 180873840. Its totient is φ = 14942208.
The previous prime is 56279033. The next prime is 56279051. The reversal of 56279040 is 4097265.
It is a tau number, because it is divible by the number of its divisors (120).
It is a junction number, because it is equal to n+sod(n) for n = 56278992 and 56279010.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245646 + ... + 245874.
It is an arithmetic number, because the mean of its divisors is an integer number (1507282).
Almost surely, 256279040 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 56279040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90436920).
56279040 is an abundant number, since it is smaller than the sum of its proper divisors (124594800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56279040 is an equidigital number, since it uses as much as digits as its factorization.
56279040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 265 (or 239 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 56279040 is about 7501.9357501914. The cubic root of 56279040 is about 383.2206415224.
The spelling of 56279040 in words is "fifty-six million, two hundred seventy-nine thousand, forty".
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