Base | Representation |
---|---|
bin | 111011010101… |
… | …1101101110010 |
3 | 2011112122201011 |
4 | 1312223231302 |
5 | 30431041200 |
6 | 3030501134 |
7 | 525306454 |
oct | 166535562 |
9 | 64478634 |
10 | 31112050 |
11 | 1661aa42 |
12 | a5047aa |
13 | 65a41c8 |
14 | 41bc2d4 |
15 | 2ae85ba |
hex | 1dabb72 |
31112050 has 12 divisors (see below), whose sum is σ = 57868506. Its totient is φ = 12444800.
The previous prime is 31112033. The next prime is 31112051. The reversal of 31112050 is 5021113.
It can be written as a sum of positive squares in 3 ways, for example, as 22344529 + 8767521 = 4727^2 + 2961^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 31112050.
It is not an unprimeable number, because it can be changed into a prime (31112051) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311071 + ... + 311170.
Almost surely, 231112050 is an apocalyptic number.
31112050 is a deficient number, since it is larger than the sum of its proper divisors (26756456).
31112050 is a wasteful number, since it uses less digits than its factorization.
31112050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 622253 (or 622248 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 13.
The square root of 31112050 is about 5577.8176736068. The cubic root of 31112050 is about 314.5160958396.
Adding to 31112050 its reverse (5021113), we get a palindrome (36133163).
The spelling of 31112050 in words is "thirty-one million, one hundred twelve thousand, fifty".
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