Base | Representation |
---|---|
bin | 1100000110111… |
… | …1111010011010 |
3 | 10112120101211200 |
4 | 3001233322122 |
5 | 101000240132 |
6 | 5012335030 |
7 | 1154464632 |
oct | 301577232 |
9 | 115511750 |
10 | 50790042 |
11 | 26740346 |
12 | 15014476 |
13 | a6a3ba4 |
14 | 6a616c2 |
15 | 46d3d7c |
hex | 306fe9a |
50790042 has 24 divisors (see below), whose sum is σ = 111555444. Its totient is φ = 16697664.
The previous prime is 50790041. The next prime is 50790053. The reversal of 50790042 is 24009705.
It can be written as a sum of positive squares in 2 ways, for example, as 48566961 + 2223081 = 6969^2 + 1491^2 .
It is a junction number, because it is equal to n+sod(n) for n = 50789988 and 50790015.
It is not an unprimeable number, because it can be changed into a prime (50790041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18013 + ... + 20640.
Almost surely, 250790042 is an apocalyptic number.
50790042 is an abundant number, since it is smaller than the sum of its proper divisors (60765402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50790042 is a wasteful number, since it uses less digits than its factorization.
50790042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38734 (or 38731 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 50790042 is about 7126.7132676992. The cubic root of 50790042 is about 370.3333786124. Note that the first 4 decimals are identical.
Adding to 50790042 its reverse (24009705), we get a palindrome (74799747).
The spelling of 50790042 in words is "fifty million, seven hundred ninety thousand, forty-two".
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