Base | Representation |
---|---|
bin | 11100001010011… |
… | …010010001010010 |
3 | 1012221002000221000 |
4 | 130022122101102 |
5 | 1431424203330 |
6 | 114515042430 |
7 | 14465052021 |
oct | 3412322122 |
9 | 1187060830 |
10 | 472491090 |
11 | 222788605 |
12 | 1122a0416 |
13 | 76b72c36 |
14 | 46a748b8 |
15 | 2b732560 |
hex | 1c29a452 |
472491090 has 32 divisors (see below), whose sum is σ = 1259976960. Its totient is φ = 125997552.
The previous prime is 472491083. The next prime is 472491143. The reversal of 472491090 is 90194274.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874714 + ... + 875253.
It is an arithmetic number, because the mean of its divisors is an integer number (39374280).
Almost surely, 2472491090 is an apocalyptic number.
472491090 is an abundant number, since it is smaller than the sum of its proper divisors (787485870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
472491090 is a wasteful number, since it uses less digits than its factorization.
472491090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1749983 (or 1749977 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 472491090 is about 21736.8601688468. The cubic root of 472491090 is about 778.8692194667.
The spelling of 472491090 in words is "four hundred seventy-two million, four hundred ninety-one thousand, ninety".
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