Base | Representation |
---|---|
bin | 11100001001000… |
… | …010110011010010 |
3 | 1012220101211110200 |
4 | 130021002303102 |
5 | 1431331222233 |
6 | 114503240030 |
7 | 14462030343 |
oct | 3411026322 |
9 | 1186354420 |
10 | 472132818 |
11 | 222563413 |
12 | 112149016 |
13 | 76a78b41 |
14 | 469c00ca |
15 | 2b6b1313 |
hex | 1c242cd2 |
472132818 has 48 divisors (see below), whose sum is σ = 1073217600. Its totient is φ = 149798880.
The previous prime is 472132763. The next prime is 472132849. The reversal of 472132818 is 818231274.
It is a super-2 number, since 2×4721328182 = 445818795665242248, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30693 + ... + 43431.
It is an arithmetic number, because the mean of its divisors is an integer number (22358700).
Almost surely, 2472132818 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 472132818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536608800).
472132818 is an abundant number, since it is smaller than the sum of its proper divisors (601084782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
472132818 is a wasteful number, since it uses less digits than its factorization.
472132818 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12847 (or 12844 counting only the distinct ones).
The product of its digits is 21504, while the sum is 36.
The square root of 472132818 is about 21728.6174893848. The cubic root of 472132818 is about 778.6723073987.
The spelling of 472132818 in words is "four hundred seventy-two million, one hundred thirty-two thousand, eight hundred eighteen".
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