Base | Representation |
---|---|
bin | 11100001011100… |
… | …111000001101001 |
3 | 1012221200000012010 |
4 | 130023213001221 |
5 | 1432014233411 |
6 | 114525510133 |
7 | 14500531431 |
oct | 3413470151 |
9 | 1187600163 |
10 | 472805481 |
11 | 222982835 |
12 | 112412349 |
13 | 76c53075 |
14 | 46b172c1 |
15 | 2b7957a6 |
hex | 1c2e7069 |
472805481 has 32 divisors (see below), whose sum is σ = 683020800. Its totient is φ = 289941120.
The previous prime is 472805407. The next prime is 472805569. The reversal of 472805481 is 184508274.
It is a happy number.
It is not a de Polignac number, because 472805481 - 27 = 472805353 is a prime.
It is a super-2 number, since 2×4728054812 = 447090045727282722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (472805681) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 717130 + ... + 717788.
It is an arithmetic number, because the mean of its divisors is an integer number (21344400).
Almost surely, 2472805481 is an apocalyptic number.
472805481 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
It is an amenable number.
472805481 is a deficient number, since it is larger than the sum of its proper divisors (210215319).
472805481 is a wasteful number, since it uses less digits than its factorization.
472805481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1029.
The product of its (nonzero) digits is 71680, while the sum is 39.
The square root of 472805481 is about 21744.0907144907. The cubic root of 472805481 is about 779.0419318464.
The spelling of 472805481 in words is "four hundred seventy-two million, eight hundred five thousand, four hundred eighty-one".
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