Base | Representation |
---|---|
bin | 111011100010… |
… | …0101100100101 |
3 | 2011201212001220 |
4 | 1313010230211 |
5 | 30442324443 |
6 | 3033010553 |
7 | 526214001 |
oct | 167045445 |
9 | 64655056 |
10 | 31214373 |
11 | 1668a903 |
12 | a553a59 |
13 | 660b958 |
14 | 4207701 |
15 | 2b18a83 |
hex | 1dc4b25 |
31214373 has 8 divisors (see below), whose sum is σ = 41648928. Its totient is φ = 20794704.
The previous prime is 31214357. The next prime is 31214377. The reversal of 31214373 is 37341213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31214373 - 24 = 31214357 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31214377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2815 + ... + 8387.
It is an arithmetic number, because the mean of its divisors is an integer number (5206116).
Almost surely, 231214373 is an apocalyptic number.
It is an amenable number.
31214373 is a deficient number, since it is larger than the sum of its proper divisors (10434555).
31214373 is a wasteful number, since it uses less digits than its factorization.
31214373 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7443.
The product of its digits is 1512, while the sum is 24.
The square root of 31214373 is about 5586.9824592529. The cubic root of 31214373 is about 314.8605177373.
Adding to 31214373 its reverse (37341213), we get a palindrome (68555586).
The spelling of 31214373 in words is "thirty-one million, two hundred fourteen thousand, three hundred seventy-three".
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