Base | Representation |
---|---|
bin | 111011101100… |
… | …1100110110001 |
3 | 2011220012112220 |
4 | 1313121212301 |
5 | 31003100032 |
6 | 3034511253 |
7 | 530021460 |
oct | 167314661 |
9 | 64805486 |
10 | 31300017 |
11 | 16739191 |
12 | a595529 |
13 | 663b928 |
14 | 422a9d7 |
15 | 2b3412c |
hex | 1dd99b1 |
31300017 has 8 divisors (see below), whose sum is σ = 47695296. Its totient is φ = 17885712.
The previous prime is 31300013. The next prime is 31300021. The reversal of 31300017 is 71000313.
It is an interprime number because it is at equal distance from previous prime (31300013) and next prime (31300021).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31300017 - 22 = 31300013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31299969 and 31300005.
It is not an unprimeable number, because it can be changed into a prime (31300013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745218 + ... + 745259.
It is an arithmetic number, because the mean of its divisors is an integer number (5961912).
Almost surely, 231300017 is an apocalyptic number.
It is an amenable number.
31300017 is a deficient number, since it is larger than the sum of its proper divisors (16395279).
31300017 is a wasteful number, since it uses less digits than its factorization.
31300017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1490487.
The product of its (nonzero) digits is 63, while the sum is 15.
The square root of 31300017 is about 5594.6418115908. The cubic root of 31300017 is about 315.1482194878.
The spelling of 31300017 in words is "thirty-one million, three hundred thousand, seventeen".
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