Base | Representation |
---|---|
bin | 111011010111… |
… | …1011000001110 |
3 | 2011120102021212 |
4 | 1312233120032 |
5 | 30432031204 |
6 | 3031054422 |
7 | 525401300 |
oct | 166573016 |
9 | 64512255 |
10 | 31127054 |
11 | 16630242 |
12 | a511412 |
13 | 65aac9a |
14 | 41c3970 |
15 | 2aecc6e |
hex | 1daf60e |
31127054 has 48 divisors (see below), whose sum is σ = 58208400. Its totient is φ = 12410496.
The previous prime is 31127053. The next prime is 31127123. The reversal of 31127054 is 45072113.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31127053) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135812 + ... + 136040.
It is an arithmetic number, because the mean of its divisors is an integer number (1212675).
Almost surely, 231127054 is an apocalyptic number.
31127054 is a deficient number, since it is larger than the sum of its proper divisors (27081346).
31127054 is a wasteful number, since it uses less digits than its factorization.
31127054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337 (or 330 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 31127054 is about 5579.1624819501. The cubic root of 31127054 is about 314.5666468974.
Adding to 31127054 its reverse (45072113), we get a palindrome (76199167).
The spelling of 31127054 in words is "thirty-one million, one hundred twenty-seven thousand, fifty-four".
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