Base | Representation |
---|---|
bin | 1111011010111… |
… | …0100001110001 |
3 | 11111200222112112 |
4 | 3312232201301 |
5 | 113024144001 |
6 | 10230135105 |
7 | 1413516413 |
oct | 366564161 |
9 | 144628475 |
10 | 64678001 |
11 | 335665a3 |
12 | 197b1495 |
13 | 1052730b |
14 | 88389b3 |
15 | 5a28cbb |
hex | 3dae871 |
64678001 has 8 divisors (see below), whose sum is σ = 67651200. Its totient is φ = 61718272.
The previous prime is 64677973. The next prime is 64678037. The reversal of 64678001 is 10087646.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64678001 - 26 = 64677937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64677001) 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, 7196 + ... + 13458.
It is an arithmetic number, because the mean of its divisors is an integer number (8456400).
Almost surely, 264678001 is an apocalyptic number.
It is an amenable number.
64678001 is a deficient number, since it is larger than the sum of its proper divisors (2973199).
64678001 is a wasteful number, since it uses less digits than its factorization.
64678001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6735.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 64678001 is about 8042.2634251807. The cubic root of 64678001 is about 401.4075433282.
The spelling of 64678001 in words is "sixty-four million, six hundred seventy-eight thousand, one".
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