Base | Representation |
---|---|
bin | 111100000001… |
… | …1100111111110 |
3 | 2012012221122022 |
4 | 1320003213332 |
5 | 31024102001 |
6 | 3042320142 |
7 | 531336320 |
oct | 170034776 |
9 | 65187568 |
10 | 31472126 |
11 | 16846524 |
12 | a659052 |
13 | 669c07a |
14 | 4273610 |
15 | 2b6a11b |
hex | 1e039fe |
31472126 has 16 divisors (see below), whose sum is σ = 55411296. Its totient is φ = 13123296.
The previous prime is 31472123. The next prime is 31472131. The reversal of 31472126 is 62127413.
It is a junction number, because it is equal to n+sod(n) for n = 31472095 and 31472104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31472123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29861 + ... + 30896.
It is an arithmetic number, because the mean of its divisors is an integer number (3463206).
Almost surely, 231472126 is an apocalyptic number.
31472126 is a deficient number, since it is larger than the sum of its proper divisors (23939170).
31472126 is a wasteful number, since it uses less digits than its factorization.
31472126 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60803.
The product of its digits is 2016, while the sum is 26.
The square root of 31472126 is about 5610.0023172901. The cubic root of 31472126 is about 315.7247977850.
Subtracting from 31472126 its sum of digits (26), we obtain a square (31472100 = 56102).
Adding to 31472126 its reverse (62127413), we get a palindrome (93599539).
The spelling of 31472126 in words is "thirty-one million, four hundred seventy-two thousand, one hundred twenty-six".
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