Base | Representation |
---|---|
bin | 1111011111001… |
… | …1001100100000 |
3 | 11112020021100200 |
4 | 3313303030200 |
5 | 113112144024 |
6 | 10240145200 |
7 | 1416100416 |
oct | 367631440 |
9 | 145207320 |
10 | 64959264 |
11 | 33738947 |
12 | 19908200 |
13 | 105c5346 |
14 | 88ad2b6 |
15 | 5a822c9 |
hex | 3df3320 |
64959264 has 72 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 21187968.
The previous prime is 64959263. The next prime is 64959277. The reversal of 64959264 is 46295946.
It is a tau number, because it is divible by the number of its divisors (72).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64959263) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11137 + ... + 15935.
It is an arithmetic number, because the mean of its divisors is an integer number (2620800).
Almost surely, 264959264 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 64959264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94348800).
64959264 is an abundant number, since it is smaller than the sum of its proper divisors (123738336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64959264 is a wasteful number, since it uses less digits than its factorization.
64959264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4862 (or 4851 counting only the distinct ones).
The product of its digits is 466560, while the sum is 45.
The square root of 64959264 is about 8059.7310128813. The cubic root of 64959264 is about 401.9885643142.
The spelling of 64959264 in words is "sixty-four million, nine hundred fifty-nine thousand, two hundred sixty-four".
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