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51444344 = 2375317333
BaseRepresentation
bin1100010000111…
…1101001111000
310120210122101002
43010033221320
5101132204334
65034344132
71163161340
oct304175170
9116718332
1051444344
1127047996
121528b048
13a872953
146b91d20
1547b2b7e
hex310fa78

51444344 has 32 divisors (see below), whose sum is σ = 112324320. Its totient is φ = 21630336.

The previous prime is 51444269. The next prime is 51444377. The reversal of 51444344 is 44344415.

51444344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5699 + ... + 11634.

It is an arithmetic number, because the mean of its divisors is an integer number (3510135).

Almost surely, 251444344 is an apocalyptic number.

It is an amenable number.

51444344 is an abundant number, since it is smaller than the sum of its proper divisors (60879976).

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

51444344 is a wasteful number, since it uses less digits than its factorization.

51444344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17399 (or 17395 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 51444344 is about 7172.4712617061. The cubic root of 51444344 is about 371.9168696966.

Adding to 51444344 its reverse (44344415), we get a palindrome (95788759).

The spelling of 51444344 in words is "fifty-one million, four hundred forty-four thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 28 53 56 106 212 371 424 742 1484 2968 17333 34666 69332 121331 138664 242662 485324 918649 970648 1837298 3674596 6430543 7349192 12861086 25722172 51444344