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51442014 = 2313659513
BaseRepresentation
bin1100010000111…
…1000101011110
310120210112011210
43010033011132
5101132121024
65034325250
71163151501
oct304170536
9116715153
1051442014
1127046168
1215289826
13a871880
146b91138
1547b2129
hex310f15e

51442014 has 16 divisors (see below), whose sum is σ = 110798352. Its totient is φ = 15828288.

The previous prime is 51442009. The next prime is 51442043. The reversal of 51442014 is 41024415.

It is a happy number.

51442014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329679 + ... + 329834.

It is an arithmetic number, because the mean of its divisors is an integer number (6924897).

Almost surely, 251442014 is an apocalyptic number.

51442014 is an abundant number, since it is smaller than the sum of its proper divisors (59356338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51442014 is a wasteful number, since it uses less digits than its factorization.

51442014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659531.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 51442014 is about 7172.3088332837. The cubic root of 51442014 is about 371.9112547004.

Adding to 51442014 its reverse (41024415), we get a palindrome (92466429).

The spelling of 51442014 in words is "fifty-one million, four hundred forty-two thousand, fourteen".

Divisors: 1 2 3 6 13 26 39 78 659513 1319026 1978539 3957078 8573669 17147338 25721007 51442014