Base | Representation |
---|---|
bin | 111100000100… |
… | …1101010001001 |
3 | 2012021012112200 |
4 | 1320021222021 |
5 | 31030344331 |
6 | 3043030413 |
7 | 531501345 |
oct | 170115211 |
9 | 65235480 |
10 | 31496841 |
11 | 16863052 |
12 | a66b409 |
13 | 66aa3ac |
14 | 427c625 |
15 | 2b725e6 |
hex | 1e09a89 |
31496841 has 12 divisors (see below), whose sum is σ = 45922032. Its totient is φ = 20801016.
The previous prime is 31496827. The next prime is 31496863. The reversal of 31496841 is 14869413.
It is not a de Polignac number, because 31496841 - 25 = 31496809 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31496796 and 31496805.
It is not an unprimeable number, because it can be changed into a prime (31496041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15391 + ... + 17316.
It is an arithmetic number, because the mean of its divisors is an integer number (3826836).
Almost surely, 231496841 is an apocalyptic number.
It is an amenable number.
31496841 is a deficient number, since it is larger than the sum of its proper divisors (14425191).
31496841 is a wasteful number, since it uses less digits than its factorization.
31496841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32820 (or 32817 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 31496841 is about 5612.2046470171. The cubic root of 31496841 is about 315.8074221860.
The spelling of 31496841 in words is "thirty-one million, four hundred ninety-six thousand, eight hundred forty-one".
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