Base | Representation |
---|---|
bin | 111011001110… |
… | …0101011001100 |
3 | 2011102112012110 |
4 | 1312130223030 |
5 | 30422103234 |
6 | 3025304020 |
7 | 524632035 |
oct | 166345314 |
9 | 64375173 |
10 | 31050444 |
11 | 16588727 |
12 | a495010 |
13 | 6582159 |
14 | 41a3a8c |
15 | 2ad51e9 |
hex | 1d9cacc |
31050444 has 12 divisors (see below), whose sum is σ = 72451064. Its totient is φ = 10350144.
The previous prime is 31050443. The next prime is 31050451. The reversal of 31050444 is 44405013.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 31050444.
It is not an unprimeable number, because it can be changed into a prime (31050443) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293757 + ... + 1293780.
Almost surely, 231050444 is an apocalyptic number.
It is an amenable number.
31050444 is an abundant number, since it is smaller than the sum of its proper divisors (41400620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31050444 is a wasteful number, since it uses less digits than its factorization.
31050444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2587544 (or 2587542 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 31050444 is about 5572.2925264203. The cubic root of 31050444 is about 314.3083640898.
Adding to 31050444 its reverse (44405013), we get a palindrome (75455457).
The spelling of 31050444 in words is "thirty-one million, fifty thousand, four hundred forty-four".
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