Base | Representation |
---|---|
bin | 101010110111… |
… | …0011100100000 |
3 | 1120021201110002 |
4 | 1111232130200 |
5 | 21223104410 |
6 | 2121355132 |
7 | 362004302 |
oct | 125563440 |
9 | 46251402 |
10 | 22472480 |
11 | 117599a8 |
12 | 7638aa8 |
13 | 486a934 |
14 | 2dad972 |
15 | 1e8d7a5 |
hex | 156e720 |
22472480 has 24 divisors (see below), whose sum is σ = 53091612. Its totient is φ = 8988928.
The previous prime is 22472479. The next prime is 22472501. The reversal of 22472480 is 8427422.
It can be written as a sum of positive squares in 2 ways, for example, as 22391824 + 80656 = 4732^2 + 284^2 .
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, 70067 + ... + 70386.
Almost surely, 222472480 is an apocalyptic number.
22472480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22472480 is an abundant number, since it is smaller than the sum of its proper divisors (30619132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22472480 is a wasteful number, since it uses less digits than its factorization.
22472480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140468 (or 140460 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 29.
The square root of 22472480 is about 4740.5147399834. The cubic root of 22472480 is about 282.1956625438.
The spelling of 22472480 in words is "twenty-two million, four hundred seventy-two thousand, four hundred eighty".
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