Base | Representation |
---|---|
bin | 1100011110111… |
… | …00100101010011 |
3 | 21022000221120220 |
4 | 12033130211103 |
5 | 203301300111 |
6 | 14220204123 |
7 | 2411020230 |
oct | 617344523 |
9 | 238027526 |
10 | 104712531 |
11 | 54120090 |
12 | 2b099643 |
13 | 189037a1 |
14 | dc9a787 |
15 | 92d5e06 |
hex | 63dc953 |
104712531 has 16 divisors (see below), whose sum is σ = 174067968. Its totient is φ = 54396000.
The previous prime is 104712529. The next prime is 104712593. The reversal of 104712531 is 135217401.
It is not a de Polignac number, because 104712531 - 21 = 104712529 is a prime.
It is a super-2 number, since 2×1047125312 = 21929428296851922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (104712511) 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, 226420 + ... + 226881.
It is an arithmetic number, because the mean of its divisors is an integer number (10879248).
Almost surely, 2104712531 is an apocalyptic number.
104712531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
104712531 is a deficient number, since it is larger than the sum of its proper divisors (69355437).
104712531 is a wasteful number, since it uses less digits than its factorization.
104712531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453322.
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 104712531 is about 10232.9141010760. The cubic root of 104712531 is about 471.3384677725.
Adding to 104712531 its reverse (135217401), we get a palindrome (239929932).
The spelling of 104712531 in words is "one hundred four million, seven hundred twelve thousand, five hundred thirty-one".
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