Base | Representation |
---|---|
bin | 1111010111100… |
… | …1010101100011 |
3 | 11111021220200021 |
4 | 3311321111203 |
5 | 113000211011 |
6 | 10221334311 |
7 | 1411621261 |
oct | 365712543 |
9 | 144256607 |
10 | 64460131 |
11 | 3342793a |
12 | 19707397 |
13 | 1047c0b8 |
14 | 87bd431 |
15 | 59d4471 |
hex | 3d79563 |
64460131 has 2 divisors, whose sum is σ = 64460132. Its totient is φ = 64460130.
The previous prime is 64460087. The next prime is 64460147. The reversal of 64460131 is 13106446.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 64460131 - 27 = 64460003 is a prime.
It is a super-2 number, since 2×644601312 = 8310216977074322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 64460096 and 64460105.
It is not a weakly prime, because it can be changed into another prime (64460731) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32230065 + 32230066.
It is an arithmetic number, because the mean of its divisors is an integer number (32230066).
Almost surely, 264460131 is an apocalyptic number.
64460131 is a deficient number, since it is larger than the sum of its proper divisors (1).
64460131 is an equidigital number, since it uses as much as digits as its factorization.
64460131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 64460131 is about 8028.7066828973. The cubic root of 64460131 is about 400.9563180673.
Adding to 64460131 its reverse (13106446), we get a palindrome (77566577).
The spelling of 64460131 in words is "sixty-four million, four hundred sixty thousand, one hundred thirty-one".
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