Base | Representation |
---|---|
bin | 1100000101011… |
… | …1011111100111 |
3 | 10112101022122021 |
4 | 3001113133213 |
5 | 100434040043 |
6 | 5010244011 |
7 | 1153600216 |
oct | 301273747 |
9 | 115338567 |
10 | 50690023 |
11 | 2668218a |
12 | 14b86607 |
13 | a66a4c7 |
14 | 6a3707d |
15 | 46b43ed |
hex | 30577e7 |
50690023 has 4 divisors (see below), whose sum is σ = 50704848. Its totient is φ = 50675200.
The previous prime is 50690021. The next prime is 50690033. The reversal of 50690023 is 32009605.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32009605 = 5 ⋅6401921.
It is a cyclic number.
It is not a de Polignac number, because 50690023 - 21 = 50690021 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 50690023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50690021) 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, 615 + ... + 10087.
It is an arithmetic number, because the mean of its divisors is an integer number (12676212).
Almost surely, 250690023 is an apocalyptic number.
50690023 is a deficient number, since it is larger than the sum of its proper divisors (14825).
50690023 is an equidigital number, since it uses as much as digits as its factorization.
50690023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14824.
The product of its (nonzero) digits is 1620, while the sum is 25.
The square root of 50690023 is about 7119.6926197695. The cubic root of 50690023 is about 370.0901241379.
Adding to 50690023 its reverse (32009605), we get a palindrome (82699628).
The spelling of 50690023 in words is "fifty million, six hundred ninety thousand, twenty-three".
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