Base | Representation |
---|---|
bin | 101010110111… |
… | …0011011101110 |
3 | 1120021201101020 |
4 | 1111232123232 |
5 | 21223104210 |
6 | 2121355010 |
7 | 362004201 |
oct | 125563356 |
9 | 46251336 |
10 | 22472430 |
11 | 11759962 |
12 | 7638a66 |
13 | 486a8c6 |
14 | 2dad938 |
15 | 1e8d770 |
hex | 156e6ee |
22472430 has 16 divisors (see below), whose sum is σ = 53933904. Its totient is φ = 5992640.
The previous prime is 22472407. The next prime is 22472479. The reversal of 22472430 is 3427422.
It is a super-2 number, since 2×224724302 = 1010020220209800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 22472430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374511 + ... + 374570.
It is an arithmetic number, because the mean of its divisors is an integer number (3370869).
Almost surely, 222472430 is an apocalyptic number.
22472430 is an abundant number, since it is smaller than the sum of its proper divisors (31461474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22472430 is a wasteful number, since it uses less digits than its factorization.
22472430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 749091.
The product of its (nonzero) digits is 2688, while the sum is 24.
The square root of 22472430 is about 4740.5094662916. The cubic root of 22472430 is about 282.1954532538.
Adding to 22472430 its reverse (3427422), we get a palindrome (25899852).
The spelling of 22472430 in words is "twenty-two million, four hundred seventy-two thousand, four hundred thirty".
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