Base | Representation |
---|---|
bin | 1111011000011… |
… | …0100010110000 |
3 | 11111101122212201 |
4 | 3312012202300 |
5 | 113003423344 |
6 | 10222432544 |
7 | 1412235055 |
oct | 366064260 |
9 | 144348781 |
10 | 64514224 |
11 | 33464545 |
12 | 19732754 |
13 | 1049a8c8 |
14 | 87d502c |
15 | 59e54d4 |
hex | 3d868b0 |
64514224 has 20 divisors (see below), whose sum is σ = 129029440. Its totient is φ = 31216320.
The previous prime is 64514207. The next prime is 64514227. The reversal of 64514224 is 42241546.
64514224 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 64514192 and 64514201.
It is not an unprimeable number, because it can be changed into a prime (64514227) 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, 64539 + ... + 65530.
It is an arithmetic number, because the mean of its divisors is an integer number (6451472).
Almost surely, 264514224 is an apocalyptic number.
It is an amenable number.
64514224 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64514224 is a wasteful number, since it uses less digits than its factorization.
64514224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130108 (or 130102 counting only the distinct ones).
The product of its digits is 7680, while the sum is 28.
The square root of 64514224 is about 8032.0747008478. The cubic root of 64514224 is about 401.0684435300.
The spelling of 64514224 in words is "sixty-four million, five hundred fourteen thousand, two hundred twenty-four".
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