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50442261 = 3107157141
BaseRepresentation
bin1100000001101…
…1000000010101
310111220201202220
43000123000111
5100403123021
65001052553
71151515662
oct300330025
9114821686
1050442261
1126523021
1214a87159
13a5b17bc
1469b0a69
154665cc6
hex301b015

50442261 has 8 divisors (see below), whose sum is σ = 67885344. Its totient is φ = 33313680.

The previous prime is 50442253. The next prime is 50442277. The reversal of 50442261 is 16224405.

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

It is not a de Polignac number, because 50442261 - 23 = 50442253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50442221) 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, 78250 + ... + 78891.

It is an arithmetic number, because the mean of its divisors is an integer number (8485668).

Almost surely, 250442261 is an apocalyptic number.

It is an amenable number.

50442261 is a deficient number, since it is larger than the sum of its proper divisors (17443083).

50442261 is a wasteful number, since it uses less digits than its factorization.

50442261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157251.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 50442261 is about 7102.2715380363. The cubic root of 50442261 is about 369.4861652462.

Adding to 50442261 its reverse (16224405), we get a palindrome (66666666).

The spelling of 50442261 in words is "fifty million, four hundred forty-two thousand, two hundred sixty-one".

Divisors: 1 3 107 321 157141 471423 16814087 50442261