Base | Representation |
---|---|
bin | 1111010010001… |
… | …1010110011010 |
3 | 11110122000112210 |
4 | 3310203112122 |
5 | 112402423210 |
6 | 10210015550 |
7 | 1405623405 |
oct | 364432632 |
9 | 143560483 |
10 | 64107930 |
11 | 33207267 |
12 | 195775b6 |
13 | 103879b3 |
14 | 872ad3c |
15 | 5964e20 |
hex | 3d2359a |
64107930 has 32 divisors (see below), whose sum is σ = 154080000. Its totient is φ = 17070912.
The previous prime is 64107913. The next prime is 64107941. The reversal of 64107930 is 3970146.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31071 + ... + 33069.
It is an arithmetic number, because the mean of its divisors is an integer number (4815000).
Almost surely, 264107930 is an apocalyptic number.
64107930 is an abundant number, since it is smaller than the sum of its proper divisors (89972070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64107930 is a wasteful number, since it uses less digits than its factorization.
64107930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3078.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 64107930 is about 8006.7427834295. The cubic root of 64107930 is about 400.2247278865.
The spelling of 64107930 in words is "sixty-four million, one hundred seven thousand, nine hundred thirty".
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