Base | Representation |
---|---|
bin | 111111011101110… |
… | …111001011111001 |
3 | 2202012121002011022 |
4 | 333131313023321 |
5 | 4140041332300 |
6 | 253354112225 |
7 | 35246406155 |
oct | 7735671371 |
9 | 2665532138 |
10 | 1064792825 |
11 | 4a7058678 |
12 | 25871b675 |
13 | 13c7a4835 |
14 | a15b6065 |
15 | 6372e285 |
hex | 3f7772f9 |
1064792825 has 6 divisors (see below), whose sum is σ = 1320343134. Its totient is φ = 851834240.
The previous prime is 1064792821. The next prime is 1064792831. The reversal of 1064792825 is 5282974601.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 35473936 + 1029318889 = 5956^2 + 32083^2 .
It is not a de Polignac number, because 1064792825 - 22 = 1064792821 is a prime.
It is a super-2 number, since 2×10647928252 = 2267567520342961250, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1064792821) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21295832 + ... + 21295881.
It is an arithmetic number, because the mean of its divisors is an integer number (220057189).
Almost surely, 21064792825 is an apocalyptic number.
It is an amenable number.
1064792825 is a deficient number, since it is larger than the sum of its proper divisors (255550309).
1064792825 is an equidigital number, since it uses as much as digits as its factorization.
1064792825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42591723 (or 42591718 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 44.
The square root of 1064792825 is about 32631.1634024900. The cubic root of 1064792825 is about 1021.1472497671.
The spelling of 1064792825 in words is "one billion, sixty-four million, seven hundred ninety-two thousand, eight hundred twenty-five".
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