Base | Representation |
---|---|
bin | 1111010011111… |
… | …1010000110100 |
3 | 11110211211101020 |
4 | 3310333100310 |
5 | 112420103020 |
6 | 10212301140 |
7 | 1406610624 |
oct | 364772064 |
9 | 143754336 |
10 | 64222260 |
11 | 33285153 |
12 | 196117b0 |
13 | 103c7a4b |
14 | 875a884 |
15 | 5988c40 |
hex | 3d3f434 |
64222260 has 96 divisors (see below), whose sum is σ = 193052160. Its totient is φ = 15894528.
The previous prime is 64222253. The next prime is 64222283. The reversal of 64222260 is 6222246.
It is a self number, because there is not a number n which added to its sum of digits gives 64222260.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80182 + ... + 80978.
It is an arithmetic number, because the mean of its divisors is an integer number (2010960).
Almost surely, 264222260 is an apocalyptic number.
64222260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64222260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96526080).
64222260 is an abundant number, since it is smaller than the sum of its proper divisors (128829900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64222260 is a wasteful number, since it uses less digits than its factorization.
64222260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 905 (or 903 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 64222260 is about 8013.8792104698. The cubic root of 64222260 is about 400.4625066795.
The spelling of 64222260 in words is "sixty-four million, two hundred twenty-two thousand, two hundred sixty".
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