Search a number
-
+
50242091 = 64378137
BaseRepresentation
bin1011111110101…
…0001000101011
310111112120012012
42333222020223
5100330221331
64552510135
71150023254
oct277521053
9114476165
1050242091
11263a6699
12149ab34b
13a541663
14695bb2b
15462682b
hex2fea22b

50242091 has 4 divisors (see below), whose sum is σ = 50320872. Its totient is φ = 50163312.

The previous prime is 50242069. The next prime is 50242109. The reversal of 50242091 is 19024205.

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 50242091 - 210 = 50241067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50242001) 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, 38426 + ... + 39711.

It is an arithmetic number, because the mean of its divisors is an integer number (12580218).

Almost surely, 250242091 is an apocalyptic number.

50242091 is a deficient number, since it is larger than the sum of its proper divisors (78781).

50242091 is an equidigital number, since it uses as much as digits as its factorization.

50242091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78780.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 50242091 is about 7088.1655595789. The cubic root of 50242091 is about 368.9967733993.

Adding to 50242091 its reverse (19024205), we get a palindrome (69266296).

The spelling of 50242091 in words is "fifty million, two hundred forty-two thousand, ninety-one".

Divisors: 1 643 78137 50242091