Base | Representation |
---|---|
bin | 1100000111000… |
… | …1101001001011 |
3 | 10112120202120020 |
4 | 3001301221023 |
5 | 101001002011 |
6 | 5012431523 |
7 | 1154524410 |
oct | 301615113 |
9 | 115522506 |
10 | 50797131 |
11 | 26745700 |
12 | 150185a3 |
13 | a6a7198 |
14 | 6a64107 |
15 | 46d6006 |
hex | 3071a4b |
50797131 has 24 divisors (see below), whose sum is σ = 85085952. Its totient is φ = 26386800.
The previous prime is 50797111. The next prime is 50797151. The reversal of 50797131 is 13179705.
It is an interprime number because it is at equal distance from previous prime (50797111) and next prime (50797151).
It is not a de Polignac number, because 50797131 - 210 = 50796107 is a prime.
It is a super-2 number, since 2×507971312 = 5160697035662322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 50797092 and 50797101.
It is not an unprimeable number, because it can be changed into a prime (50797111) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7455 + ... + 12536.
It is an arithmetic number, because the mean of its divisors is an integer number (3545248).
Almost surely, 250797131 is an apocalyptic number.
50797131 is a deficient number, since it is larger than the sum of its proper divisors (34288821).
50797131 is a wasteful number, since it uses less digits than its factorization.
50797131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20023 (or 20012 counting only the distinct ones).
The product of its (nonzero) digits is 6615, while the sum is 33.
The square root of 50797131 is about 7127.2106044371. The cubic root of 50797131 is about 370.3506075224.
The spelling of 50797131 in words is "fifty million, seven hundred ninety-seven thousand, one hundred thirty-one".
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