Base | Representation |
---|---|
bin | 111011101100… |
… | …1101100001001 |
3 | 2011220020000122 |
4 | 1313121230021 |
5 | 31003102421 |
6 | 3034513025 |
7 | 530022461 |
oct | 167315411 |
9 | 64806018 |
10 | 31300361 |
11 | 16739474 |
12 | a595775 |
13 | 663bb31 |
14 | 422aba1 |
15 | 2b342ab |
hex | 1dd9b09 |
31300361 has 8 divisors (see below), whose sum is σ = 31724160. Its totient is φ = 30879072.
The previous prime is 31300327. The next prime is 31300397. The reversal of 31300361 is 16300313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31300361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31300301) 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, 41756 + ... + 42498.
It is an arithmetic number, because the mean of its divisors is an integer number (3965520).
Almost surely, 231300361 is an apocalyptic number.
It is an amenable number.
31300361 is a deficient number, since it is larger than the sum of its proper divisors (423799).
31300361 is a wasteful number, since it uses less digits than its factorization.
31300361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1255.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 31300361 is about 5594.6725552082. The cubic root of 31300361 is about 315.1493740195.
Adding to 31300361 its reverse (16300313), we get a palindrome (47600674).
The spelling of 31300361 in words is "thirty-one million, three hundred thousand, three hundred sixty-one".
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