Base | Representation |
---|---|
bin | 11100001001010… |
… | …011000000111111 |
3 | 1012220112012120102 |
4 | 130021103000333 |
5 | 1431340333411 |
6 | 114504511315 |
7 | 14462425100 |
oct | 3411230077 |
9 | 1186465512 |
10 | 472199231 |
11 | 2225a92a9 |
12 | 11217b53b |
13 | 76aa013a |
14 | 469da3a7 |
15 | 2b6c5d3b |
hex | 1c25303f |
472199231 has 24 divisors (see below), whose sum is σ = 561481920. Its totient is φ = 395841600.
The previous prime is 472199219. The next prime is 472199237. The reversal of 472199231 is 132991274.
It is a de Polignac number, because none of the positive numbers 2k-472199231 is a prime.
It is a super-2 number, since 2×4721992312 = 445944227513982722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (472199237) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714041 + ... + 714701.
It is an arithmetic number, because the mean of its divisors is an integer number (23395080).
Almost surely, 2472199231 is an apocalyptic number.
472199231 is a deficient number, since it is larger than the sum of its proper divisors (89282689).
472199231 is a wasteful number, since it uses less digits than its factorization.
472199231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 975 (or 968 counting only the distinct ones).
The product of its digits is 27216, while the sum is 38.
The square root of 472199231 is about 21730.1456736949. The cubic root of 472199231 is about 778.7088165739.
The spelling of 472199231 in words is "four hundred seventy-two million, one hundred ninety-nine thousand, two hundred thirty-one".
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