Base | Representation |
---|---|
bin | 11011101110010… |
… | …000000011101111 |
3 | 1012102011222220211 |
4 | 123232100003233 |
5 | 1423031443411 |
6 | 114052523251 |
7 | 14345235406 |
oct | 3356200357 |
9 | 1172158824 |
10 | 465109231 |
11 | 2195a64a4 |
12 | 10b920527 |
13 | 75489c82 |
14 | 45ab263d |
15 | 2ac75221 |
hex | 1bb900ef |
465109231 has 2 divisors, whose sum is σ = 465109232. Its totient is φ = 465109230.
The previous prime is 465109223. The next prime is 465109237. The reversal of 465109231 is 132901564.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 465109231 - 23 = 465109223 is a prime.
It is a super-2 number, since 2×4651092312 = 432653193522822722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 465109193 and 465109202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (465109237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232554615 + 232554616.
It is an arithmetic number, because the mean of its divisors is an integer number (232554616).
Almost surely, 2465109231 is an apocalyptic number.
465109231 is a deficient number, since it is larger than the sum of its proper divisors (1).
465109231 is an equidigital number, since it uses as much as digits as its factorization.
465109231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 465109231 is about 21566.3912372933. The cubic root of 465109231 is about 774.7917475829.
The spelling of 465109231 in words is "four hundred sixty-five million, one hundred nine thousand, two hundred thirty-one".
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