Base | Representation |
---|---|
bin | 111011001101… |
… | …0011000011111 |
3 | 2011102001022201 |
4 | 1312122120133 |
5 | 30421303210 |
6 | 3025152331 |
7 | 524562463 |
oct | 166323037 |
9 | 64361281 |
10 | 31041055 |
11 | 16581671 |
12 | a48b6a7 |
13 | 657aab6 |
14 | 41a04a3 |
15 | 2ad253a |
hex | 1d9a61f |
31041055 has 16 divisors (see below), whose sum is σ = 38316960. Its totient is φ = 24127488.
The previous prime is 31041029. The next prime is 31041061. The reversal of 31041055 is 55014013.
It is a cyclic number.
It is not a de Polignac number, because 31041055 - 29 = 31040543 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75691 + ... + 76099.
It is an arithmetic number, because the mean of its divisors is an integer number (2394810).
Almost surely, 231041055 is an apocalyptic number.
31041055 is a deficient number, since it is larger than the sum of its proper divisors (7275905).
31041055 is a wasteful number, since it uses less digits than its factorization.
31041055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 810.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 31041055 is about 5571.4499908013. The cubic root of 31041055 is about 314.2766808206.
Adding to 31041055 its reverse (55014013), we get a palindrome (86055068).
The spelling of 31041055 in words is "thirty-one million, forty-one thousand, fifty-five".
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