Base | Representation |
---|---|
bin | 111100011111… |
… | …0110010101111 |
3 | 2012200021002100 |
4 | 1320332302233 |
5 | 31104330404 |
6 | 3051430143 |
7 | 533366016 |
oct | 170766257 |
9 | 65607070 |
10 | 31714479 |
11 | 169a1615 |
12 | a755353 |
13 | 6755484 |
14 | 42d7a7d |
15 | 2bb6d39 |
hex | 1e3ecaf |
31714479 has 12 divisors (see below), whose sum is σ = 46239336. Its totient is φ = 20944752.
The previous prime is 31714453. The next prime is 31714481. The reversal of 31714479 is 97441713.
It is not a de Polignac number, because 31714479 - 211 = 31712431 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31714489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15504 + ... + 17429.
It is an arithmetic number, because the mean of its divisors is an integer number (3853278).
Almost surely, 231714479 is an apocalyptic number.
31714479 is a deficient number, since it is larger than the sum of its proper divisors (14524857).
31714479 is a wasteful number, since it uses less digits than its factorization.
31714479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33046 (or 33043 counting only the distinct ones).
The product of its digits is 21168, while the sum is 36.
The square root of 31714479 is about 5631.5609736555. The cubic root of 31714479 is about 316.5331456793.
The spelling of 31714479 in words is "thirty-one million, seven hundred fourteen thousand, four hundred seventy-nine".
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