Base | Representation |
---|---|
bin | 1111011110010… |
… | …1110111101010 |
3 | 11112010111111010 |
4 | 3313211313222 |
5 | 113103422212 |
6 | 10235044350 |
7 | 1415452323 |
oct | 367456752 |
9 | 145114433 |
10 | 64904682 |
11 | 33700937 |
12 | 198a06b6 |
13 | 105a654b |
14 | 889744a |
15 | 5a7103c |
hex | 3de5dea |
64904682 has 8 divisors (see below), whose sum is σ = 129809376. Its totient is φ = 21634892.
The previous prime is 64904663. The next prime is 64904683. The reversal of 64904682 is 28640946.
It is a sphenic number, since it is the product of 3 distinct primes.
64904682 is an admirable number.
It is a super-2 number, since 2×649046822 = 8425235491042248, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 64904682.
It is not an unprimeable number, because it can be changed into a prime (64904683) 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, 5408718 + ... + 5408729.
It is an arithmetic number, because the mean of its divisors is an integer number (16226172).
Almost surely, 264904682 is an apocalyptic number.
64904682 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.
64904682 is a wasteful number, since it uses less digits than its factorization.
64904682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10817452.
The product of its (nonzero) digits is 82944, while the sum is 39.
The square root of 64904682 is about 8056.3442081381. The cubic root of 64904682 is about 401.8759425123.
The spelling of 64904682 in words is "sixty-four million, nine hundred four thousand, six hundred eighty-two".
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