Base | Representation |
---|---|
bin | 101010100010… |
… | …0010101001100 |
3 | 1112221221211012 |
4 | 1111010111030 |
5 | 21202044410 |
6 | 2113544352 |
7 | 360355343 |
oct | 125042514 |
9 | 45857735 |
10 | 22299980 |
11 | 1165133a |
12 | 75750b8 |
13 | 480a271 |
14 | 2d66b5a |
15 | 1e57605 |
hex | 154454c |
22299980 has 12 divisors (see below), whose sum is σ = 46830000. Its totient is φ = 8919984.
The previous prime is 22299961. The next prime is 22300001. The reversal of 22299980 is 8999222.
It is a happy number.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557480 + ... + 557519.
It is an arithmetic number, because the mean of its divisors is an integer number (3902500).
Almost surely, 222299980 is an apocalyptic number.
22299980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22299980 is an abundant number, since it is smaller than the sum of its proper divisors (24530020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22299980 is a wasteful number, since it uses less digits than its factorization.
22299980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1115008 (or 1115006 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 41.
The square root of 22299980 is about 4722.2854636288. The cubic root of 22299980 is about 281.4717572861.
The spelling of 22299980 in words is "twenty-two million, two hundred ninety-nine thousand, nine hundred eighty".
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