Base | Representation |
---|---|
bin | 1111011110100… |
… | …0001100101111 |
3 | 11112010222120111 |
4 | 3313220030233 |
5 | 113104223343 |
6 | 10235200451 |
7 | 1415522203 |
oct | 367501457 |
9 | 145128514 |
10 | 64914223 |
11 | 33708020 |
12 | 198a6127 |
13 | 105aa9aa |
14 | 889ab03 |
15 | 5a73c9d |
hex | 3de832f |
64914223 has 8 divisors (see below), whose sum is σ = 71873280. Its totient is φ = 58131480.
The previous prime is 64914181. The next prime is 64914233. The reversal of 64914223 is 32241946.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64914223 - 225 = 31359791 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 (64914233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43303 + ... + 44776.
It is an arithmetic number, because the mean of its divisors is an integer number (8984160).
Almost surely, 264914223 is an apocalyptic number.
64914223 is a deficient number, since it is larger than the sum of its proper divisors (6959057).
64914223 is a wasteful number, since it uses less digits than its factorization.
64914223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88157.
The product of its digits is 10368, while the sum is 31.
The square root of 64914223 is about 8056.9363284067. The cubic root of 64914223 is about 401.8956334929.
The spelling of 64914223 in words is "sixty-four million, nine hundred fourteen thousand, two hundred twenty-three".
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