Base | Representation |
---|---|
bin | 101010101111… |
… | …1101011110100 |
3 | 1120011122111211 |
4 | 1111133223310 |
5 | 21214141040 |
6 | 2120211204 |
7 | 361333111 |
oct | 125375364 |
9 | 46148454 |
10 | 22412020 |
11 | 11718534 |
12 | 7609b04 |
13 | 4849267 |
14 | 2d95908 |
15 | 1e7a8ea |
hex | 155faf4 |
22412020 has 24 divisors (see below), whose sum is σ = 49543200. Its totient is φ = 8492832.
The previous prime is 22412017. The next prime is 22412021. The reversal of 22412020 is 2021422.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22412021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29110 + ... + 29869.
It is an arithmetic number, because the mean of its divisors is an integer number (2064300).
Almost surely, 222412020 is an apocalyptic number.
22412020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22412020 is an abundant number, since it is smaller than the sum of its proper divisors (27131180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22412020 is a wasteful number, since it uses less digits than its factorization.
22412020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59007 (or 59005 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 22412020 is about 4734.1335004412. The cubic root of 22412020 is about 281.9423620109.
Adding to 22412020 its reverse (2021422), we get a palindrome (24433442).
The spelling of 22412020 in words is "twenty-two million, four hundred twelve thousand, twenty".
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