Base | Representation |
---|---|
bin | 11100001011111… |
… | …100000000000000 |
3 | 1012221211101001000 |
4 | 130023330000000 |
5 | 1432030011032 |
6 | 114531412000 |
7 | 14501340051 |
oct | 3413740000 |
9 | 1187741030 |
10 | 472891392 |
11 | 222a31336 |
12 | 112454000 |
13 | 76c831bc |
14 | 46b3a728 |
15 | 2b7b0e7c |
hex | 1c2fc000 |
472891392 has 120 divisors (see below), whose sum is σ = 1402427600. Its totient is φ = 157483008.
The previous prime is 472891373. The next prime is 472891403. The reversal of 472891392 is 293198274.
472891392 is a `hidden beast` number, since 472 + 8 + 91 + 3 + 92 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441834 + ... + 442902.
Almost surely, 2472891392 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 472891392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701213800).
472891392 is an abundant number, since it is smaller than the sum of its proper divisors (929536208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
472891392 is an equidigital number, since it uses as much as digits as its factorization.
472891392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1106 (or 1074 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 472891392 is about 21746.0661270033. The cubic root of 472891392 is about 779.0891141943.
It can be divided in two parts, 472 and 891392, that multiplied together give a palindrome (420737024).
The spelling of 472891392 in words is "four hundred seventy-two million, eight hundred ninety-one thousand, three hundred ninety-two".
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