Base | Representation |
---|---|
bin | 1111011100101… |
… | …0101101000101 |
3 | 11111220211212001 |
4 | 3313022231011 |
5 | 113041342123 |
6 | 10232425301 |
7 | 1414510036 |
oct | 367125505 |
9 | 144824761 |
10 | 64793413 |
11 | 33635283 |
12 | 19848231 |
13 | 105679c9 |
14 | 8868a8d |
15 | 5a4d0ad |
hex | 3dcab45 |
64793413 has 4 divisors (see below), whose sum is σ = 65681068. Its totient is φ = 63905760.
The previous prime is 64793411. The next prime is 64793423. The reversal of 64793413 is 31439746.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 38353249 + 26440164 = 6193^2 + 5142^2 .
It is a cyclic number.
It is not a de Polignac number, because 64793413 - 21 = 64793411 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64793411) 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, 443718 + ... + 443863.
It is an arithmetic number, because the mean of its divisors is an integer number (16420267).
Almost surely, 264793413 is an apocalyptic number.
It is an amenable number.
64793413 is a deficient number, since it is larger than the sum of its proper divisors (887655).
64793413 is an equidigital number, since it uses as much as digits as its factorization.
64793413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 887654.
The product of its digits is 54432, while the sum is 37.
The square root of 64793413 is about 8049.4355702745. The cubic root of 64793413 is about 401.6461598510.
The spelling of 64793413 in words is "sixty-four million, seven hundred ninety-three thousand, four hundred thirteen".
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