Base | Representation |
---|---|
bin | 100111010010… |
… | …1100110101100 |
3 | 1102202122121122 |
4 | 1032211212230 |
5 | 20233220020 |
6 | 2013320112 |
7 | 340051661 |
oct | 116454654 |
9 | 42678548 |
10 | 20601260 |
11 | 106a1039 |
12 | 6a96038 |
13 | 4363cc4 |
14 | 2a43a68 |
15 | 1c1e125 |
hex | 13a59ac |
20601260 has 24 divisors (see below), whose sum is σ = 43497216. Its totient is φ = 8195840.
The previous prime is 20601247. The next prime is 20601271. The reversal of 20601260 is 6210602.
It is a congruent number.
It is an unprimeable number.
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, 1124 + ... + 6516.
It is an arithmetic number, because the mean of its divisors is an integer number (1812384).
Almost surely, 220601260 is an apocalyptic number.
20601260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20601260 is an abundant number, since it is smaller than the sum of its proper divisors (22895956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20601260 is a wasteful number, since it uses less digits than its factorization.
20601260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5593 (or 5591 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 20601260 is about 4538.8610906261. The cubic root of 20601260 is about 274.1350675830.
Adding to 20601260 its reverse (6210602), we get a palindrome (26811862).
The spelling of 20601260 in words is "twenty million, six hundred one thousand, two hundred sixty".
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