Base | Representation |
---|---|
bin | 101010001101… |
… | …0110110100010 |
3 | 1112122022202200 |
4 | 1110122312202 |
5 | 21131130312 |
6 | 2110154030 |
7 | 356050122 |
oct | 124326642 |
9 | 45568680 |
10 | 22130082 |
11 | 11545727 |
12 | 74b2916 |
13 | 477ab30 |
14 | 2d20c82 |
15 | 1e220dc |
hex | 151ada2 |
22130082 has 24 divisors (see below), whose sum is σ = 51637404. Its totient is φ = 6809184.
The previous prime is 22130081. The next prime is 22130083. The reversal of 22130082 is 28003122.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (22130081) and next prime (22130083).
It can be written as a sum of positive squares in 2 ways, for example, as 21706281 + 423801 = 4659^2 + 651^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (22130081) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47053 + ... + 47520.
Almost surely, 222130082 is an apocalyptic number.
22130082 is an abundant number, since it is smaller than the sum of its proper divisors (29507322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22130082 is a wasteful number, since it uses less digits than its factorization.
22130082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94594 (or 94591 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 22130082 is about 4704.2621100445. The cubic root of 22130082 is about 280.7551131163.
It can be divided in two parts, 221 and 30082, that added together give a palindrome (30303).
The spelling of 22130082 in words is "twenty-two million, one hundred thirty thousand, eighty-two".
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