Base | Representation |
---|---|
bin | 1100111111000… |
… | …0101010011011 |
3 | 10210111000101000 |
4 | 3033300222123 |
5 | 102420310011 |
6 | 5223200043 |
7 | 1230633432 |
oct | 317605233 |
9 | 123430330 |
10 | 54463131 |
11 | 28819a58 |
12 | 162a6023 |
13 | b38ba08 |
14 | 733a119 |
15 | 4bac356 |
hex | 33f0a9b |
54463131 has 16 divisors (see below), whose sum is σ = 83469600. Its totient is φ = 35056224.
The previous prime is 54463127. The next prime is 54463151. The reversal of 54463131 is 13136445.
It is not a de Polignac number, because 54463131 - 22 = 54463127 is a prime.
It is a super-2 number, since 2×544631312 = 5932465276646322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 54463095 and 54463104.
It is not an unprimeable number, because it can be changed into a prime (54463111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33996 + ... + 35561.
It is an arithmetic number, because the mean of its divisors is an integer number (5216850).
Almost surely, 254463131 is an apocalyptic number.
54463131 is a deficient number, since it is larger than the sum of its proper divisors (29006469).
54463131 is a wasteful number, since it uses less digits than its factorization.
54463131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69595 (or 69589 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 54463131 is about 7379.9140238894. The cubic root of 54463131 is about 379.0538117191.
Adding to 54463131 its reverse (13136445), we get a palindrome (67599576).
The spelling of 54463131 in words is "fifty-four million, four hundred sixty-three thousand, one hundred thirty-one".
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