Base | Representation |
---|---|
bin | 1111011011010… |
… | …1010110100000 |
3 | 11111202101212202 |
4 | 3312311112200 |
5 | 113031042302 |
6 | 10230512332 |
7 | 1413664043 |
oct | 366652640 |
9 | 144671782 |
10 | 64705952 |
11 | 335855a3 |
12 | 198056a8 |
13 | 10536c5c |
14 | 8844c5a |
15 | 5a32202 |
hex | 3db55a0 |
64705952 has 24 divisors (see below), whose sum is σ = 128062116. Its totient is φ = 32182272.
The previous prime is 64705943. The next prime is 64705957. The reversal of 64705952 is 25950746.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 64705936 + 16 = 8044^2 + 4^2 .
It is not an unprimeable number, because it can be changed into a prime (64705957) 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, 938 + ... + 11414.
Almost surely, 264705952 is an apocalyptic number.
It is an amenable number.
64705952 is a deficient number, since it is larger than the sum of its proper divisors (63356164).
64705952 is a wasteful number, since it uses less digits than its factorization.
64705952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10680 (or 10672 counting only the distinct ones).
The product of its (nonzero) digits is 75600, while the sum is 38.
The square root of 64705952 is about 8044.0009945300. Note that the first 3 decimals coincide. The cubic root of 64705952 is about 401.4653585886.
The spelling of 64705952 in words is "sixty-four million, seven hundred five thousand, nine hundred fifty-two".
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