Base | Representation |
---|---|
bin | 1011111110110… |
… | …0100101100011 |
3 | 10111120001222001 |
4 | 2333230211203 |
5 | 100331032011 |
6 | 4553024431 |
7 | 1150064446 |
oct | 277544543 |
9 | 114501861 |
10 | 50252131 |
11 | 26403196 |
12 | 149b5117 |
13 | a5460b7 |
14 | 696165d |
15 | 46297c1 |
hex | 2fec963 |
50252131 has 4 divisors (see below), whose sum is σ = 52897000. Its totient is φ = 47607264.
The previous prime is 50252113. The next prime is 50252197. The reversal of 50252131 is 13125205.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 50252131 - 213 = 50243939 is a prime.
It is a super-2 number, since 2×502521312 = 5050553340082322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 2644849 = 50252131 / (5 + 0 + 2 + 5 + 2 + 1 + 3 + 1).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 50252099 and 50252108.
It is not an unprimeable number, because it can be changed into a prime (50252231) 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, 1322406 + ... + 1322443.
It is an arithmetic number, because the mean of its divisors is an integer number (13224250).
Almost surely, 250252131 is an apocalyptic number.
50252131 is a deficient number, since it is larger than the sum of its proper divisors (2644869).
50252131 is a wasteful number, since it uses less digits than its factorization.
50252131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2644868.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 50252131 is about 7088.8737469361. The cubic root of 50252131 is about 369.0213509384.
Adding to 50252131 its reverse (13125205), we get a palindrome (63377336).
The spelling of 50252131 in words is "fifty million, two hundred fifty-two thousand, one hundred thirty-one".
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