Base | Representation |
---|---|
bin | 111100001010… |
… | …0101101100010 |
3 | 2012100111122110 |
4 | 1320110231202 |
5 | 31033321424 |
6 | 3044020150 |
7 | 532050342 |
oct | 170245542 |
9 | 65314573 |
10 | 31542114 |
11 | 1689406a |
12 | a691656 |
13 | 66c4b96 |
14 | 4290d22 |
15 | 2b80c29 |
hex | 1e14b62 |
31542114 has 16 divisors (see below), whose sum is σ = 63224928. Its totient is φ = 10490592.
The previous prime is 31542113. The next prime is 31542149. The reversal of 31542114 is 41124513.
It is not an unprimeable number, because it can be changed into a prime (31542113) 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, 2827 + ... + 8430.
It is an arithmetic number, because the mean of its divisors is an integer number (3951558).
Almost surely, 231542114 is an apocalyptic number.
31542114 is an abundant number, since it is smaller than the sum of its proper divisors (31682814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31542114 is a wasteful number, since it uses less digits than its factorization.
31542114 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11729.
The product of its digits is 480, while the sum is 21.
The square root of 31542114 is about 5616.2366403135. The cubic root of 31542114 is about 315.9586617398.
Adding to 31542114 its reverse (41124513), we get a palindrome (72666627).
The spelling of 31542114 in words is "thirty-one million, five hundred forty-two thousand, one hundred fourteen".
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