Base | Representation |
---|---|
bin | 11010010100111… |
… | …11110001000000 |
3 | 120101120121121011 |
4 | 31022133301000 |
5 | 423014332420 |
6 | 33525410304 |
7 | 5321145115 |
oct | 1512376100 |
9 | 511517534 |
10 | 220855360 |
11 | 1037379a0 |
12 | 61b69994 |
13 | 369a9b5b |
14 | 2149090c |
15 | 145c895a |
hex | d29fc40 |
220855360 has 56 divisors (see below), whose sum is σ = 573731136. Its totient is φ = 80309760.
The previous prime is 220855339. The next prime is 220855367. The reversal of 220855360 is 63558022.
It is a happy number.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (220855367) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 27852 + ... + 34891.
Almost surely, 2220855360 is an apocalyptic number.
220855360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
220855360 is an abundant number, since it is smaller than the sum of its proper divisors (352875776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220855360 is a wasteful number, since it uses less digits than its factorization.
220855360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62771 (or 62761 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 220855360 is about 14861.2031814386. The cubic root of 220855360 is about 604.4624325833.
The spelling of 220855360 in words is "two hundred twenty million, eight hundred fifty-five thousand, three hundred sixty".
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