Base | Representation |
---|---|
bin | 111011001011… |
… | …0001111010110 |
3 | 2011101012001020 |
4 | 1312112033112 |
5 | 30420232321 |
6 | 3024542010 |
7 | 524462142 |
oct | 166261726 |
9 | 64335036 |
10 | 31024086 |
11 | 1656a945 |
12 | a481906 |
13 | 6573162 |
14 | 4198222 |
15 | 2acc4c6 |
hex | 1d963d6 |
31024086 has 16 divisors (see below), whose sum is σ = 62272368. Its totient is φ = 10304000.
The previous prime is 31024073. The next prime is 31024109. The reversal of 31024086 is 68042013.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7515 + ... + 10886.
It is an arithmetic number, because the mean of its divisors is an integer number (3892023).
Almost surely, 231024086 is an apocalyptic number.
31024086 is an abundant number, since it is smaller than the sum of its proper divisors (31248282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31024086 is a wasteful number, since it uses less digits than its factorization.
31024086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18687.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 31024086 is about 5569.9269295028. The cubic root of 31024086 is about 314.2194025584.
Adding to 31024086 its reverse (68042013), we get a palindrome (99066099).
The spelling of 31024086 in words is "thirty-one million, twenty-four thousand, eighty-six".
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