Base | Representation |
---|---|
bin | 11010001111110… |
… | …00010100100000 |
3 | 120100021202210002 |
4 | 31013320110200 |
5 | 422330411004 |
6 | 33502555132 |
7 | 5312260412 |
oct | 1507702440 |
9 | 510252702 |
10 | 220169504 |
11 | 103309675 |
12 | 61898aa8 |
13 | 367c9919 |
14 | 213529b2 |
15 | 144e061e |
hex | d1f8520 |
220169504 has 48 divisors (see below), whose sum is σ = 444644928. Its totient is φ = 107281152.
The previous prime is 220169491. The next prime is 220169563. The reversal of 220169504 is 405961022.
It is a happy number.
It is a super-2 number, since 2×2201695042 = 96949220983212032, which contains 22 as substring.
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, 220334 + ... + 221330.
It is an arithmetic number, because the mean of its divisors is an integer number (9263436).
Almost surely, 2220169504 is an apocalyptic number.
It is an amenable number.
220169504 is an abundant number, since it is smaller than the sum of its proper divisors (224475424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220169504 is a wasteful number, since it uses less digits than its factorization.
220169504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1177 (or 1169 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 220169504 is about 14838.1098526733. The cubic root of 220169504 is about 603.8360738132.
The spelling of 220169504 in words is "two hundred twenty million, one hundred sixty-nine thousand, five hundred four".
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