Base | Representation |
---|---|
bin | 11100001010011… |
… | …111100101011001 |
3 | 1012221010010210012 |
4 | 130022133211121 |
5 | 1431430402412 |
6 | 114515331305 |
7 | 14465202335 |
oct | 3412374531 |
9 | 1187103705 |
10 | 472512857 |
11 | 2227a29a3 |
12 | 1122b0b35 |
13 | 76b7cb0b |
14 | 46a7c7c5 |
15 | 2b738c22 |
hex | 1c29f959 |
472512857 has 2 divisors, whose sum is σ = 472512858. Its totient is φ = 472512856.
The previous prime is 472512839. The next prime is 472512871. The reversal of 472512857 is 758215274.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 442218841 + 30294016 = 21029^2 + 5504^2 .
It is a cyclic number.
It is not a de Polignac number, because 472512857 - 26 = 472512793 is a prime.
It is not a weakly prime, because it can be changed into another prime (472511857) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236256428 + 236256429.
It is an arithmetic number, because the mean of its divisors is an integer number (236256429).
Almost surely, 2472512857 is an apocalyptic number.
It is an amenable number.
472512857 is a deficient number, since it is larger than the sum of its proper divisors (1).
472512857 is an equidigital number, since it uses as much as digits as its factorization.
472512857 is an evil number, because the sum of its binary digits is even.
The product of its digits is 156800, while the sum is 41.
The square root of 472512857 is about 21737.3608563689. The cubic root of 472512857 is about 778.8811797529.
The spelling of 472512857 in words is "four hundred seventy-two million, five hundred twelve thousand, eight hundred fifty-seven".
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