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472512857 is a prime number
BaseRepresentation
bin11100001010011…
…111100101011001
31012221010010210012
4130022133211121
51431430402412
6114515331305
714465202335
oct3412374531
91187103705
10472512857
112227a29a3
121122b0b35
1376b7cb0b
1446a7c7c5
152b738c22
hex1c29f959

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".