Base | Representation |
---|---|
bin | 111011110111… |
… | …0100111001010 |
3 | 2012001120120121 |
4 | 1313232213022 |
5 | 31013323213 |
6 | 3040413454 |
7 | 530530354 |
oct | 167564712 |
9 | 65046517 |
10 | 31386058 |
11 | 167978a0 |
12 | a61728a |
13 | 666bb42 |
14 | 42500d4 |
15 | 2b4e88d |
hex | 1dee9ca |
31386058 has 16 divisors (see below), whose sum is σ = 52065216. Its totient is φ = 14070240.
The previous prime is 31386041. The next prime is 31386059. The reversal of 31386058 is 85068313.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (31386059) 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, 8166 + ... + 11377.
It is an arithmetic number, because the mean of its divisors is an integer number (3254076).
Almost surely, 231386058 is an apocalyptic number.
31386058 is a deficient number, since it is larger than the sum of its proper divisors (20679158).
31386058 is a wasteful number, since it uses less digits than its factorization.
31386058 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19629.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 31386058 is about 5602.3261240310. The cubic root of 31386058 is about 315.4367268884.
The spelling of 31386058 in words is "thirty-one million, three hundred eighty-six thousand, fifty-eight".
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