Base | Representation |
---|---|
bin | 111011110110… |
… | …0111001101010 |
3 | 2012001012222001 |
4 | 1313230321222 |
5 | 31013112200 |
6 | 3040321214 |
7 | 530501053 |
oct | 167547152 |
9 | 65035861 |
10 | 31379050 |
11 | 167925aa |
12 | a61320a |
13 | 66688b1 |
14 | 424b72a |
15 | 2b4c76a |
hex | 1dece6a |
31379050 has 24 divisors (see below), whose sum is σ = 59171436. Its totient is φ = 12378240.
The previous prime is 31379041. The next prime is 31379057. The reversal of 31379050 is 5097313.
It can be written as a sum of positive squares in 6 ways, for example, as 15705369 + 15673681 = 3963^2 + 3959^2 .
It is not an unprimeable number, because it can be changed into a prime (31379057) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649 + ... + 7948.
Almost surely, 231379050 is an apocalyptic number.
31379050 is a deficient number, since it is larger than the sum of its proper divisors (27792386).
31379050 is a wasteful number, since it uses less digits than its factorization.
31379050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8682 (or 8677 counting only the distinct ones).
The product of its (nonzero) digits is 2835, while the sum is 28.
The square root of 31379050 is about 5601.7006346287. The cubic root of 31379050 is about 315.4132478314.
The spelling of 31379050 in words is "thirty-one million, three hundred seventy-nine thousand, fifty".
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