Base | Representation |
---|---|
bin | 101010001010… |
… | …0000011110100 |
3 | 1112120220121020 |
4 | 1110110003310 |
5 | 21124233020 |
6 | 2105421140 |
7 | 355603035 |
oct | 124240364 |
9 | 45526536 |
10 | 22102260 |
11 | 11526834 |
12 | 749a7b0 |
13 | 476b27b |
14 | 2d14a8c |
15 | 1e18c40 |
hex | 15140f4 |
22102260 has 48 divisors (see below), whose sum is σ = 62596800. Its totient is φ = 5826304.
The previous prime is 22102259. The next prime is 22102277. The reversal of 22102260 is 6220122.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3271 + ... + 7409.
It is an arithmetic number, because the mean of its divisors is an integer number (1304100).
Almost surely, 222102260 is an apocalyptic number.
22102260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22102260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31298400).
22102260 is an abundant number, since it is smaller than the sum of its proper divisors (40494540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22102260 is a wasteful number, since it uses less digits than its factorization.
22102260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4240 (or 4238 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 22102260 is about 4701.3040744032. The cubic root of 22102260 is about 280.6374084093.
Adding to 22102260 its reverse (6220122), we get a palindrome (28322382).
The spelling of 22102260 in words is "twenty-two million, one hundred two thousand, two hundred sixty".
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