Base | Representation |
---|---|
bin | 1111011010111… |
… | …0110110111100 |
3 | 11111201001101201 |
4 | 3312232312330 |
5 | 113024214411 |
6 | 10230145244 |
7 | 1413523360 |
oct | 366566674 |
9 | 144631351 |
10 | 64679356 |
11 | 33567615 |
12 | 197b2224 |
13 | 10527b11 |
14 | 88392a0 |
15 | 5a293c1 |
hex | 3daedbc |
64679356 has 36 divisors (see below), whose sum is σ = 137432848. Its totient is φ = 26085888.
The previous prime is 64679347. The next prime is 64679357. The reversal of 64679356 is 65397646.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64679357) 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, 4096 + ... + 12088.
Almost surely, 264679356 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 64679356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68716424).
64679356 is an abundant number, since it is smaller than the sum of its proper divisors (72753492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64679356 is a wasteful number, since it uses less digits than its factorization.
64679356 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8038 (or 8019 counting only the distinct ones).
The product of its digits is 816480, while the sum is 46.
The square root of 64679356 is about 8042.3476671927. The cubic root of 64679356 is about 401.4103464628.
The spelling of 64679356 in words is "sixty-four million, six hundred seventy-nine thousand, three hundred fifty-six".
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