Base | Representation |
---|---|
bin | 111011010110… |
… | …0001111010001 |
3 | 2011112202122112 |
4 | 1312230033101 |
5 | 30431123233 |
6 | 3030515105 |
7 | 525315635 |
oct | 166541721 |
9 | 64482575 |
10 | 31114193 |
11 | 16621610 |
12 | a505a95 |
13 | 65a5186 |
14 | 41bcdc5 |
15 | 2ae9048 |
hex | 1dac3d1 |
31114193 has 12 divisors (see below), whose sum is σ = 35489328. Its totient is φ = 27050760.
The previous prime is 31114189. The next prime is 31114249. The reversal of 31114193 is 39141113.
It is not a de Polignac number, because 31114193 - 22 = 31114189 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31114163) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3146 + ... + 8492.
It is an arithmetic number, because the mean of its divisors is an integer number (2957444).
Almost surely, 231114193 is an apocalyptic number.
It is an amenable number.
31114193 is a deficient number, since it is larger than the sum of its proper divisors (4375135).
31114193 is a wasteful number, since it uses less digits than its factorization.
31114193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5404 (or 5381 counting only the distinct ones).
The product of its digits is 324, while the sum is 23.
The square root of 31114193 is about 5578.0097705185. The cubic root of 31114193 is about 314.5233169701.
Adding to 31114193 its sum of digits (23), we get a triangular number (31114216 = T7888).
The spelling of 31114193 in words is "thirty-one million, one hundred fourteen thousand, one hundred ninety-three".
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