Base | Representation |
---|---|
bin | 111011011100… |
… | …1110101111010 |
3 | 2011122121002021 |
4 | 1312321311322 |
5 | 30434414124 |
6 | 3032025054 |
7 | 525640246 |
oct | 166716572 |
9 | 64577067 |
10 | 31169914 |
11 | 1665a466 |
12 | a53218a |
13 | 65c4649 |
14 | 41d5426 |
15 | 2b0a7e4 |
hex | 1db9d7a |
31169914 has 8 divisors (see below), whose sum is σ = 46778868. Its totient is φ = 15576960.
The previous prime is 31169909. The next prime is 31169917. The reversal of 31169914 is 41996113.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 31169889 + 25 = 5583^2 + 5^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 31169914.
It is not an unprimeable number, because it can be changed into a prime (31169917) 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 3 ways as a sum of consecutive naturals, for example, 4404 + ... + 9040.
Almost surely, 231169914 is an apocalyptic number.
31169914 is a deficient number, since it is larger than the sum of its proper divisors (15608954).
31169914 is a wasteful number, since it uses less digits than its factorization.
31169914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8000.
The product of its digits is 5832, while the sum is 34.
The square root of 31169914 is about 5583.0022389392. The cubic root of 31169914 is about 314.7109601917.
It can be divided in two parts, 311 and 69914, that added together give a square (70225 = 2652).
The spelling of 31169914 in words is "thirty-one million, one hundred sixty-nine thousand, nine hundred fourteen".
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