Base | Representation |
---|---|
bin | 11010010010011… |
… | …00011100100001 |
3 | 120100221021110012 |
4 | 31021030130201 |
5 | 422422422311 |
6 | 33514214305 |
7 | 5315224124 |
oct | 1511143441 |
9 | 510837405 |
10 | 220514081 |
11 | 103524547 |
12 | 61a24395 |
13 | 368ba708 |
14 | 214023bb |
15 | 1455c78b |
hex | d24c721 |
220514081 has 2 divisors, whose sum is σ = 220514082. Its totient is φ = 220514080.
The previous prime is 220514069. The next prime is 220514101. The reversal of 220514081 is 180415022.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 208542481 + 11971600 = 14441^2 + 3460^2 .
It is a cyclic number.
It is not a de Polignac number, because 220514081 - 26 = 220514017 is a prime.
It is a super-2 number, since 2×2205140812 = 97252919838549122, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (220514051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110257040 + 110257041.
It is an arithmetic number, because the mean of its divisors is an integer number (110257041).
Almost surely, 2220514081 is an apocalyptic number.
It is an amenable number.
220514081 is a deficient number, since it is larger than the sum of its proper divisors (1).
220514081 is an equidigital number, since it uses as much as digits as its factorization.
220514081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 640, while the sum is 23.
The square root of 220514081 is about 14849.7165292810. The cubic root of 220514081 is about 604.1509214911.
The spelling of 220514081 in words is "two hundred twenty million, five hundred fourteen thousand, eighty-one".
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