Base | Representation |
---|---|
bin | 1111010110100… |
… | …1100111100100 |
3 | 11111011122100201 |
4 | 3311221213210 |
5 | 112441130443 |
6 | 10220120244 |
7 | 1411232464 |
oct | 365514744 |
9 | 144148321 |
10 | 64395748 |
11 | 3339352a |
12 | 19696084 |
13 | 104589c1 |
14 | 87a3ba4 |
15 | 59c034d |
hex | 3d699e4 |
64395748 has 36 divisors (see below), whose sum is σ = 118149556. Its totient is φ = 30700800.
The previous prime is 64395713. The next prime is 64395761. The reversal of 64395748 is 84759346.
It can be written as a sum of positive squares in 6 ways, for example, as 43983424 + 20412324 = 6632^2 + 4518^2 .
It is a junction number, because it is equal to n+sod(n) for n = 64395698 and 64395707.
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, 410086 + ... + 410242.
Almost surely, 264395748 is an apocalyptic number.
It is an amenable number.
64395748 is a deficient number, since it is larger than the sum of its proper divisors (53753808).
64395748 is a wasteful number, since it uses less digits than its factorization.
64395748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 304 (or 261 counting only the distinct ones).
The product of its digits is 725760, while the sum is 46.
The square root of 64395748 is about 8024.6961313186. The cubic root of 64395748 is about 400.8227814164.
The spelling of 64395748 in words is "sixty-four million, three hundred ninety-five thousand, seven hundred forty-eight".
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