Base | Representation |
---|---|
bin | 111011001001… |
… | …1110011111110 |
3 | 2011100200101221 |
4 | 1312103303332 |
5 | 30414423032 |
6 | 3024423554 |
7 | 524421145 |
oct | 166236376 |
9 | 64320357 |
10 | 31014142 |
11 | 16563425 |
12 | a477bba |
13 | 656b783 |
14 | 419475c |
15 | 2ac9597 |
hex | 1d93cfe |
31014142 has 8 divisors (see below), whose sum is σ = 46638432. Its totient is φ = 15468000.
The previous prime is 31014131. The next prime is 31014161. The reversal of 31014142 is 24141013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18534 + ... + 20137.
It is an arithmetic number, because the mean of its divisors is an integer number (5829804).
Almost surely, 231014142 is an apocalyptic number.
31014142 is a deficient number, since it is larger than the sum of its proper divisors (15624290).
31014142 is a wasteful number, since it uses less digits than its factorization.
31014142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39074.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 31014142 is about 5569.0342071135. The cubic root of 31014142 is about 314.1858272299.
Adding to 31014142 its reverse (24141013), we get a palindrome (55155155).
The spelling of 31014142 in words is "thirty-one million, fourteen thousand, one hundred forty-two".
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