Base | Representation |
---|---|
bin | 1111011100100… |
… | …0001001100100 |
3 | 11111220022111110 |
4 | 3313020021210 |
5 | 113041023243 |
6 | 10232305020 |
7 | 1414434366 |
oct | 367101144 |
9 | 144808443 |
10 | 64782948 |
11 | 3362842a |
12 | 19842170 |
13 | 10563009 |
14 | 8864d36 |
15 | 5a49e33 |
hex | 3dc8264 |
64782948 has 12 divisors (see below), whose sum is σ = 151160240. Its totient is φ = 21594312.
The previous prime is 64782943. The next prime is 64782961. The reversal of 64782948 is 84928746.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 64782897 and 64782906.
It is not an unprimeable number, because it can be changed into a prime (64782941) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2699278 + ... + 2699301.
Almost surely, 264782948 is an apocalyptic number.
It is an amenable number.
64782948 is an abundant number, since it is smaller than the sum of its proper divisors (86377292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64782948 is a wasteful number, since it uses less digits than its factorization.
64782948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5398586 (or 5398584 counting only the distinct ones).
The product of its digits is 774144, while the sum is 48.
The square root of 64782948 is about 8048.7854984463. The cubic root of 64782948 is about 401.6245349502.
The spelling of 64782948 in words is "sixty-four million, seven hundred eighty-two thousand, nine hundred forty-eight".
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