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50442091 = 722033271
BaseRepresentation
bin1100000001101…
…0111101101011
310111220201112121
43000122331223
5100403121331
65001052111
71151515330
oct300327553
9114821477
1050442091
1126522987
1214a87037
13a5b16bb
1469b0987
154665c11
hex301af6b

50442091 has 8 divisors (see below), whose sum is σ = 57691904. Its totient is φ = 43203240.

The previous prime is 50442079. The next prime is 50442097. The reversal of 50442091 is 19024405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50442091 - 211 = 50440043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50442097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13786 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (7211488).

Almost surely, 250442091 is an apocalyptic number.

50442091 is a deficient number, since it is larger than the sum of its proper divisors (7249813).

50442091 is a wasteful number, since it uses less digits than its factorization.

50442091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5481.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 50442091 is about 7102.2595700242. The cubic root of 50442091 is about 369.4857501663.

Adding to 50442091 its reverse (19024405), we get a palindrome (69466496).

The spelling of 50442091 in words is "fifty million, four hundred forty-two thousand, ninety-one".

Divisors: 1 7 2203 3271 15421 22897 7206013 50442091