Base | Representation |
---|---|
bin | 111011011001… |
… | …0111000010010 |
3 | 2011121010221222 |
4 | 1312302320102 |
5 | 30433011034 |
6 | 3031245042 |
7 | 525461144 |
oct | 166627022 |
9 | 64533858 |
10 | 31141394 |
11 | 1663aa99 |
12 | a519782 |
13 | 65b467b |
14 | 41c8c94 |
15 | 2b0212e |
hex | 1db2e12 |
31141394 has 8 divisors (see below), whose sum is σ = 46740540. Its totient is φ = 15561216.
The previous prime is 31141373. The next prime is 31141403. The reversal of 31141394 is 49314113.
It can be written as a sum of positive squares in 2 ways, for example, as 30658369 + 483025 = 5537^2 + 695^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542 + ... + 7910.
Almost surely, 231141394 is an apocalyptic number.
31141394 is a deficient number, since it is larger than the sum of its proper divisors (15599146).
31141394 is a wasteful number, since it uses less digits than its factorization.
31141394 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9484.
The product of its digits is 1296, while the sum is 26.
The square root of 31141394 is about 5580.4474730975. The cubic root of 31141394 is about 314.6149456451.
The spelling of 31141394 in words is "thirty-one million, one hundred forty-one thousand, three hundred ninety-four".
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