Base | Representation |
---|---|
bin | 1111011111100… |
… | …0100010011100 |
3 | 11112021101101012 |
4 | 3313320202130 |
5 | 113113344043 |
6 | 10240434352 |
7 | 1416221261 |
oct | 367704234 |
9 | 145241335 |
10 | 64981148 |
11 | 33753331 |
12 | 199189b8 |
13 | 106022ab |
14 | 88b7268 |
15 | 5a88a18 |
hex | 3df889c |
64981148 has 12 divisors (see below), whose sum is σ = 113774472. Its totient is φ = 32474160.
The previous prime is 64981129. The next prime is 64981211. The reversal of 64981148 is 84118946.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10886 + ... + 15762.
It is an arithmetic number, because the mean of its divisors is an integer number (9481206).
Almost surely, 264981148 is an apocalyptic number.
It is an amenable number.
64981148 is a deficient number, since it is larger than the sum of its proper divisors (48793324).
64981148 is a wasteful number, since it uses less digits than its factorization.
64981148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8212 (or 8210 counting only the distinct ones).
The product of its digits is 55296, while the sum is 41.
The square root of 64981148 is about 8061.0885121055. The cubic root of 64981148 is about 402.0337009609.
The spelling of 64981148 in words is "sixty-four million, nine hundred eighty-one thousand, one hundred forty-eight".
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