Base | Representation |
---|---|
bin | 1101011110011… |
… | …0110000100000 |
3 | 10221100111110200 |
4 | 3113212300200 |
5 | 103432112322 |
6 | 5335225200 |
7 | 1254260334 |
oct | 327466040 |
9 | 127314420 |
10 | 56519712 |
11 | 299a4107 |
12 | 16b18200 |
13 | b92bb22 |
14 | 77137c4 |
15 | 4e668ac |
hex | 35e6c20 |
56519712 has 54 divisors (see below), whose sum is σ = 161091567. Its totient is φ = 18797376.
The previous prime is 56519711. The next prime is 56519731. The reversal of 56519712 is 21791565.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
56519712 is a `hidden beast` number, since 565 + 1 + 97 + 1 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 28259856 + 28259856 = 5316^2 + 5316^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=5316.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (56519711) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 127363 + ... + 127805.
Almost surely, 256519712 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 56519712
56519712 is an abundant number, since it is smaller than the sum of its proper divisors (104571855).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56519712 is an equidigital number, since it uses as much as digits as its factorization.
56519712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 902 (or 448 counting only the distinct ones).
The product of its digits is 18900, while the sum is 36.
The square root of 56519712 is about 7517.9592975754. The cubic root of 56519712 is about 383.7661336397.
The spelling of 56519712 in words is "fifty-six million, five hundred nineteen thousand, seven hundred twelve".
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