Base | Representation |
---|---|
bin | 101011110110… |
… | …0011010111000 |
3 | 1121020221020220 |
4 | 1113230122320 |
5 | 21341112342 |
6 | 2140420040 |
7 | 366253533 |
oct | 127543270 |
9 | 47227226 |
10 | 22988472 |
11 | 11a81641 |
12 | 7847620 |
13 | 49bb760 |
14 | 30a5a1a |
15 | 20415ec |
hex | 15ec6b8 |
22988472 has 32 divisors (see below), whose sum is σ = 61892880. Its totient is φ = 7073280.
The previous prime is 22988429. The next prime is 22988473. The reversal of 22988472 is 27488922.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22988473) 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, 36529 + ... + 37152.
Almost surely, 222988472 is an apocalyptic number.
It is an amenable number.
22988472 is an abundant number, since it is smaller than the sum of its proper divisors (38904408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22988472 is a wasteful number, since it uses less digits than its factorization.
22988472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73703 (or 73699 counting only the distinct ones).
The product of its digits is 129024, while the sum is 42.
The square root of 22988472 is about 4794.6294955919. The cubic root of 22988472 is about 284.3391768585.
The spelling of 22988472 in words is "twenty-two million, nine hundred eighty-eight thousand, four hundred seventy-two".
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