Base | Representation |
---|---|
bin | 1111011110001… |
… | …1010100000100 |
3 | 11112002222010100 |
4 | 3313203110010 |
5 | 113103103322 |
6 | 10234524100 |
7 | 1415406645 |
oct | 367432404 |
9 | 145088110 |
10 | 64894212 |
11 | 336a3a89 |
12 | 19896630 |
13 | 105a1856 |
14 | 88936cc |
15 | 5a6cdac |
hex | 3de3504 |
64894212 has 36 divisors (see below), whose sum is σ = 165059440. Its totient is φ = 21496752.
The previous prime is 64894187. The next prime is 64894229. The reversal of 64894212 is 21249846.
64894212 is a `hidden beast` number, since 648 + 9 + 4 + 2 + 1 + 2 = 666.
64894212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×648942122 = 8422517502201888, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339 + ... + 11397.
Almost surely, 264894212 is an apocalyptic number.
It is an amenable number.
64894212 is an abundant number, since it is smaller than the sum of its proper divisors (100165228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64894212 is a wasteful number, since it uses less digits than its factorization.
64894212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11232 (or 11227 counting only the distinct ones).
The product of its digits is 27648, while the sum is 36.
The square root of 64894212 is about 8055.6943834781. The cubic root of 64894212 is about 401.8543320148.
It can be divided in two parts, 6489 and 4212, that added together give a palindrome (10701).
The spelling of 64894212 in words is "sixty-four million, eight hundred ninety-four thousand, two hundred twelve".
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