Base | Representation |
---|---|
bin | 1011111111100… |
… | …1110101111111 |
3 | 10111122211110011 |
4 | 2333321311333 |
5 | 100334301211 |
6 | 4554124051 |
7 | 1150411660 |
oct | 277716577 |
9 | 114584404 |
10 | 50306431 |
11 | 2643aa6a |
12 | 14a20627 |
13 | a564a26 |
14 | 6977367 |
15 | 463a921 |
hex | 2ff9d7f |
50306431 has 16 divisors (see below), whose sum is σ = 59471104. Its totient is φ = 41658624.
The previous prime is 50306419. The next prime is 50306437. The reversal of 50306431 is 13460305.
It is not a de Polignac number, because 50306431 - 223 = 41917823 is a prime.
It is a super-2 number, since 2×503064312 = 5061473999915522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50306437) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28336 + ... + 30058.
It is an arithmetic number, because the mean of its divisors is an integer number (3716944).
Almost surely, 250306431 is an apocalyptic number.
50306431 is a deficient number, since it is larger than the sum of its proper divisors (9164673).
50306431 is a wasteful number, since it uses less digits than its factorization.
50306431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1870.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 50306431 is about 7092.7026583666. The cubic root of 50306431 is about 369.1542185798.
Adding to 50306431 its reverse (13460305), we get a palindrome (63766736).
The spelling of 50306431 in words is "fifty million, three hundred six thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •