Base | Representation |
---|---|
bin | 111011001001… |
… | …1110000011010 |
3 | 2011100200002111 |
4 | 1312103300122 |
5 | 30414421124 |
6 | 3024422534 |
7 | 524420401 |
oct | 166236032 |
9 | 64320074 |
10 | 31013914 |
11 | 16563238 |
12 | a477a4a |
13 | 656b639 |
14 | 4194638 |
15 | 2ac9494 |
hex | 1d93c1a |
31013914 has 8 divisors (see below), whose sum is σ = 46604340. Its totient is φ = 15479136.
The previous prime is 31013911. The next prime is 31013929. The reversal of 31013914 is 41931013.
It can be written as a sum of positive squares in 2 ways, for example, as 30063289 + 950625 = 5483^2 + 975^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (31013911) 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 3 ways as a sum of consecutive naturals, for example, 12489 + ... + 14764.
Almost surely, 231013914 is an apocalyptic number.
31013914 is a deficient number, since it is larger than the sum of its proper divisors (15590426).
31013914 is a wasteful number, since it uses less digits than its factorization.
31013914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27824.
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 31013914 is about 5569.0137367401. The cubic root of 31013914 is about 314.1850573172.
Adding to 31013914 its reverse (41931013), we get a palindrome (72944927).
The spelling of 31013914 in words is "thirty-one million, thirteen thousand, nine hundred fourteen".
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