Base | Representation |
---|---|
bin | 1100000001100… |
… | …0010000110111 |
3 | 10111220011100222 |
4 | 3000120100313 |
5 | 100402243111 |
6 | 5000524555 |
7 | 1151441150 |
oct | 300302067 |
9 | 114804328 |
10 | 50431031 |
11 | 26515642 |
12 | 14a8075b |
13 | a5a9661 |
14 | 69aa927 |
15 | 46627db |
hex | 3018437 |
50431031 has 8 divisors (see below), whose sum is σ = 57709440. Its totient is φ = 43171128.
The previous prime is 50431009. The next prime is 50431033. The reversal of 50431031 is 13013405.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50431031 - 214 = 50414647 is a prime.
It is a super-2 number, since 2×504310312 = 5086577775445922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50431033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820 + ... + 10206.
It is an arithmetic number, because the mean of its divisors is an integer number (7213680).
Almost surely, 250431031 is an apocalyptic number.
50431031 is a deficient number, since it is larger than the sum of its proper divisors (7278409).
50431031 is an equidigital number, since it uses as much as digits as its factorization.
50431031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9253.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 50431031 is about 7101.4809018964. The cubic root of 50431031 is about 369.4587435466.
Adding to 50431031 its reverse (13013405), we get a palindrome (63444436).
The spelling of 50431031 in words is "fifty million, four hundred thirty-one thousand, thirty-one".
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