Base | Representation |
---|---|
bin | 11100001010000… |
… | …000001111100001 |
3 | 1012220212121200112 |
4 | 130022000033201 |
5 | 1431412300411 |
6 | 114512501105 |
7 | 14464126142 |
oct | 3412001741 |
9 | 1186777615 |
10 | 472384481 |
11 | 2227154a8 |
12 | 11224a795 |
13 | 76b3655a |
14 | 46a47ac9 |
15 | 2b710b8b |
hex | 1c2803e1 |
472384481 has 2 divisors, whose sum is σ = 472384482. Its totient is φ = 472384480.
The previous prime is 472384397. The next prime is 472384483. The reversal of 472384481 is 184483274.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 310076881 + 162307600 = 17609^2 + 12740^2 .
It is a cyclic number.
It is not a de Polignac number, because 472384481 - 218 = 472122337 is a prime.
It is a super-2 number, since 2×4723844812 = 446294195779278722, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 472384483, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (472384483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236192240 + 236192241.
It is an arithmetic number, because the mean of its divisors is an integer number (236192241).
Almost surely, 2472384481 is an apocalyptic number.
It is an amenable number.
472384481 is a deficient number, since it is larger than the sum of its proper divisors (1).
472384481 is an equidigital number, since it uses as much as digits as its factorization.
472384481 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 172032, while the sum is 41.
The square root of 472384481 is about 21734.4077674088. The cubic root of 472384481 is about 778.8106358474.
The spelling of 472384481 in words is "four hundred seventy-two million, three hundred eighty-four thousand, four hundred eighty-one".
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