Base | Representation |
---|---|
bin | 11100001011111… |
… | …101111101100111 |
3 | 1012221211210001202 |
4 | 130023331331213 |
5 | 1432030240211 |
6 | 114531513115 |
7 | 14501402354 |
oct | 3413757547 |
9 | 1187753052 |
10 | 472899431 |
11 | 222a37384 |
12 | 11245879b |
13 | 76c86a64 |
14 | 46b3d62b |
15 | 2b7b353b |
hex | 1c2fdf67 |
472899431 has 2 divisors, whose sum is σ = 472899432. Its totient is φ = 472899430.
The previous prime is 472899419. The next prime is 472899437. The reversal of 472899431 is 134998274.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 472899431 - 26 = 472899367 is a prime.
It is a super-2 number, since 2×4728994312 = 447267743680247522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (472899437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236449715 + 236449716.
It is an arithmetic number, because the mean of its divisors is an integer number (236449716).
Almost surely, 2472899431 is an apocalyptic number.
472899431 is a deficient number, since it is larger than the sum of its proper divisors (1).
472899431 is an equidigital number, since it uses as much as digits as its factorization.
472899431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 435456, while the sum is 47.
The square root of 472899431 is about 21746.2509642467. The cubic root of 472899431 is about 779.0935289232.
The spelling of 472899431 in words is "four hundred seventy-two million, eight hundred ninety-nine thousand, four hundred thirty-one".
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