Base | Representation |
---|---|
bin | 11100001100010… |
… | …000001100001010 |
3 | 1012221222120110220 |
4 | 130030100030022 |
5 | 1432040132330 |
6 | 114533250510 |
7 | 14502133131 |
oct | 3414201412 |
9 | 1187876426 |
10 | 472974090 |
11 | 222a88486 |
12 | 112493a36 |
13 | 76cb1a34 |
14 | 46b5c918 |
15 | 2b7ca710 |
hex | 1c31030a |
472974090 has 32 divisors (see below), whose sum is σ = 1154381760. Its totient is φ = 123988224.
The previous prime is 472974077. The next prime is 472974091. The reversal of 472974090 is 90479274.
It is a super-2 number, since 2×4729740902 = 447408979622656200, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (472974091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131839 + ... + 135378.
It is an arithmetic number, because the mean of its divisors is an integer number (36074430).
Almost surely, 2472974090 is an apocalyptic number.
472974090 is an abundant number, since it is smaller than the sum of its proper divisors (681407670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
472974090 is a wasteful number, since it uses less digits than its factorization.
472974090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267286.
The product of its (nonzero) digits is 127008, while the sum is 42.
The square root of 472974090 is about 21747.9674912393. The cubic root of 472974090 is about 779.1345265640.
The spelling of 472974090 in words is "four hundred seventy-two million, nine hundred seventy-four thousand, ninety".
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