Base | Representation |
---|---|
bin | 111011011000… |
… | …1010101110101 |
3 | 2011120211022121 |
4 | 1312301111311 |
5 | 30432310333 |
6 | 3031155541 |
7 | 525433603 |
oct | 166612565 |
9 | 64524277 |
10 | 31135093 |
11 | 16636290 |
12 | a515bb1 |
13 | 65b1842 |
14 | 41c6873 |
15 | 2b0032d |
hex | 1db1575 |
31135093 has 16 divisors (see below), whose sum is σ = 35141184. Its totient is φ = 27336960.
The previous prime is 31135079. The next prime is 31135121. The reversal of 31135093 is 39053113.
It is a cyclic number.
It is not a de Polignac number, because 31135093 - 25 = 31135061 is a prime.
It is a super-2 number, since 2×311350932 = 1938788032237298, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31135073) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92221 + ... + 92557.
It is an arithmetic number, because the mean of its divisors is an integer number (2196324).
Almost surely, 231135093 is an apocalyptic number.
It is an amenable number.
31135093 is a deficient number, since it is larger than the sum of its proper divisors (4006091).
31135093 is a wasteful number, since it uses less digits than its factorization.
31135093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 612.
The product of its (nonzero) digits is 1215, while the sum is 25.
The square root of 31135093 is about 5579.8828840756. The cubic root of 31135093 is about 314.5937249885.
The spelling of 31135093 in words is "thirty-one million, one hundred thirty-five thousand, ninety-three".
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