Base | Representation |
---|---|
bin | 1111010100010… |
… | …1101100100101 |
3 | 11110220011112021 |
4 | 3311011230211 |
5 | 112421423423 |
6 | 10213023141 |
7 | 1410050512 |
oct | 365055445 |
9 | 143804467 |
10 | 64248613 |
11 | 332a2a30 |
12 | 19624ab1 |
13 | 10406a40 |
14 | 8766309 |
15 | 599195d |
hex | 3d45b25 |
64248613 has 16 divisors (see below), whose sum is σ = 77527296. Its totient is φ = 52453440.
The previous prime is 64248607. The next prime is 64248617. The reversal of 64248613 is 31684246.
It is a de Polignac number, because none of the positive numbers 2k-64248613 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64248617) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781 + ... + 11362.
It is an arithmetic number, because the mean of its divisors is an integer number (4845456).
Almost surely, 264248613 is an apocalyptic number.
It is an amenable number.
64248613 is a deficient number, since it is larger than the sum of its proper divisors (13278683).
64248613 is a wasteful number, since it uses less digits than its factorization.
64248613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12204.
The product of its digits is 27648, while the sum is 34.
The square root of 64248613 is about 8015.5232517909. The cubic root of 64248613 is about 400.5172745293.
The spelling of 64248613 in words is "sixty-four million, two hundred forty-eight thousand, six hundred thirteen".
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