Base | Representation |
---|---|
bin | 11010010000101… |
… | …10100000101000 |
3 | 120100112001101221 |
4 | 31020112200220 |
5 | 422343340120 |
6 | 33505351424 |
7 | 5313314053 |
oct | 1510264050 |
9 | 510461357 |
10 | 220293160 |
11 | 10339356a |
12 | 61938574 |
13 | 36840ca9 |
14 | 21385a9a |
15 | 145170aa |
hex | d216828 |
220293160 has 32 divisors (see below), whose sum is σ = 496104840. Its totient is φ = 88038144.
The previous prime is 220293133. The next prime is 220293173. The reversal of 220293160 is 61392022.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 214271044 + 6022116 = 14638^2 + 2454^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66094 + ... + 69346.
Almost surely, 2220293160 is an apocalyptic number.
220293160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
220293160 is an abundant number, since it is smaller than the sum of its proper divisors (275811680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220293160 is a wasteful number, since it uses less digits than its factorization.
220293160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4957 (or 4953 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 220293160 is about 14842.2761057730. The cubic root of 220293160 is about 603.9490988200.
The spelling of 220293160 in words is "two hundred twenty million, two hundred ninety-three thousand, one hundred sixty".
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