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50280041 = 77182863
BaseRepresentation
bin1011111111001…
…1011001101001
310111121111020202
42333303121221
5100332430131
64553401545
71150242020
oct277633151
9114544222
1050280041
1126422159
1214a092b5
13a555a06
14696b8b7
154632bcb
hex2ff3669

50280041 has 4 divisors (see below), whose sum is σ = 57462912. Its totient is φ = 43097172.

The previous prime is 50280037. The next prime is 50280073. The reversal of 50280041 is 14008205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14008205 = 52801641.

It is a cyclic number.

It is not a de Polignac number, because 50280041 - 22 = 50280037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50279995 and 50280022.

It is not an unprimeable number, because it can be changed into a prime (50280011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3591425 + ... + 3591438.

It is an arithmetic number, because the mean of its divisors is an integer number (14365728).

Almost surely, 250280041 is an apocalyptic number.

It is an amenable number.

50280041 is a deficient number, since it is larger than the sum of its proper divisors (7182871).

50280041 is an equidigital number, since it uses as much as digits as its factorization.

50280041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182870.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 50280041 is about 7090.8420515479. The cubic root of 50280041 is about 369.0896563649.

Adding to 50280041 its reverse (14008205), we get a palindrome (64288246).

The spelling of 50280041 in words is "fifty million, two hundred eighty thousand, forty-one".

Divisors: 1 7 7182863 50280041