Base | Representation |
---|---|
bin | 1111010000101… |
… | …0111101011001 |
3 | 11110102221111121 |
4 | 3310022331121 |
5 | 112341224100 |
6 | 10203525241 |
7 | 1405026214 |
oct | 364127531 |
9 | 143387447 |
10 | 64008025 |
11 | 331491a4 |
12 | 19529821 |
13 | 10351393 |
14 | 870277b |
15 | 594551a |
hex | 3d0af59 |
64008025 has 12 divisors (see below), whose sum is σ = 81931264. Its totient is φ = 49554000.
The previous prime is 64008013. The next prime is 64008053. The reversal of 64008025 is 52080046.
It is not a de Polignac number, because 64008025 - 29 = 64007513 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40521 + ... + 42070.
Almost surely, 264008025 is an apocalyptic number.
It is an amenable number.
64008025 is a deficient number, since it is larger than the sum of its proper divisors (17923239).
64008025 is a wasteful number, since it uses less digits than its factorization.
64008025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82632 (or 82627 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 64008025 is about 8000.5015467782. The cubic root of 64008025 is about 400.0167180513.
The spelling of 64008025 in words is "sixty-four million, eight thousand, twenty-five".
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