Base | Representation |
---|---|
bin | 1001010010010111… |
… | …0101100000110001 |
3 | 20102201220210200011 |
4 | 2110211311200301 |
5 | 20101143241411 |
6 | 1051212254521 |
7 | 115530460354 |
oct | 22445654061 |
9 | 6381823604 |
10 | 2492946481 |
11 | 106a226653 |
12 | 596a71441 |
13 | 30962ca7c |
14 | 19913629b |
15 | e8cd5c21 |
hex | 94975831 |
2492946481 has 2 divisors, whose sum is σ = 2492946482. Its totient is φ = 2492946480.
The previous prime is 2492946451. The next prime is 2492946523. The reversal of 2492946481 is 1846492942.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2022750625 + 470195856 = 44975^2 + 21684^2 .
It is a cyclic number.
It is not a de Polignac number, because 2492946481 - 231 = 345462833 is a prime.
It is a super-2 number, since 2×24929464812 = 12429564314260566722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2492946451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246473240 + 1246473241.
It is an arithmetic number, because the mean of its divisors is an integer number (1246473241).
Almost surely, 22492946481 is an apocalyptic number.
It is an amenable number.
2492946481 is a deficient number, since it is larger than the sum of its proper divisors (1).
2492946481 is an equidigital number, since it uses as much as digits as its factorization.
2492946481 is an evil number, because the sum of its binary digits is even.
The product of its digits is 995328, while the sum is 49.
The square root of 2492946481 is about 49929.4149875602. The cubic root of 2492946481 is about 1355.9311929029.
The spelling of 2492946481 in words is "two billion, four hundred ninety-two million, nine hundred forty-six thousand, four hundred eighty-one".
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