Base | Representation |
---|---|
bin | 111011001101… |
… | …0100101101001 |
3 | 2011102002110220 |
4 | 1312122211221 |
5 | 30421320042 |
6 | 3025200253 |
7 | 524565105 |
oct | 166324551 |
9 | 64362426 |
10 | 31041897 |
11 | 16582267 |
12 | a490089 |
13 | 657b2b3 |
14 | 41a0905 |
15 | 2ad28ec |
hex | 1d9a969 |
31041897 has 8 divisors (see below), whose sum is σ = 41687520. Its totient is φ = 20545440.
The previous prime is 31041889. The next prime is 31041911. The reversal of 31041897 is 79814013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31041897 - 23 = 31041889 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31042897) 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, 36804 + ... + 37637.
It is an arithmetic number, because the mean of its divisors is an integer number (5210940).
Almost surely, 231041897 is an apocalyptic number.
It is an amenable number.
31041897 is a deficient number, since it is larger than the sum of its proper divisors (10645623).
31041897 is a wasteful number, since it uses less digits than its factorization.
31041897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74583.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 31041897 is about 5571.5255541010. The cubic root of 31041897 is about 314.2795224184.
The spelling of 31041897 in words is "thirty-one million, forty-one thousand, eight hundred ninety-seven".
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