Base | Representation |
---|---|
bin | 1111010001101… |
… | …1001111100100 |
3 | 11110120022222221 |
4 | 3310123033210 |
5 | 112400342344 |
6 | 10205202124 |
7 | 1405424530 |
oct | 364331744 |
9 | 143508887 |
10 | 64074724 |
11 | 3319431a |
12 | 19560344 |
13 | 1037584c |
14 | 871cbc0 |
15 | 595a184 |
hex | 3d1b3e4 |
64074724 has 48 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 26628480.
The previous prime is 64074701. The next prime is 64074733. The reversal of 64074724 is 42747046.
It is a self number, because there is not a number n which added to its sum of digits gives 64074724.
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, 238062 + ... + 238330.
It is an arithmetic number, because the mean of its divisors is an integer number (2751840).
Almost surely, 264074724 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64074724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66044160).
64074724 is an abundant number, since it is smaller than the sum of its proper divisors (68013596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64074724 is a wasteful number, since it uses less digits than its factorization.
64074724 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 508 (or 506 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 34.
The square root of 64074724 is about 8004.6688875930. The cubic root of 64074724 is about 400.1556144525.
The spelling of 64074724 in words is "sixty-four million, seventy-four thousand, seven hundred twenty-four".
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