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51144343 = 414212963
BaseRepresentation
bin1100001100011…
…0011010010111
310120020101211221
43003012122113
5101043104333
65024111211
71160501605
oct303063227
9116211757
1051144343
1126962558
1215165507
13a799233
146b14875
154753d2d
hex30c6697

51144343 has 8 divisors (see below), whose sum is σ = 52533936. Its totient is φ = 49761600.

The previous prime is 51144307. The next prime is 51144349. The reversal of 51144343 is 34344115.

51144343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51144343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51144349) by changing a digit.

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, 15780 + ... + 18742.

It is an arithmetic number, because the mean of its divisors is an integer number (6566742).

Almost surely, 251144343 is an apocalyptic number.

51144343 is a deficient number, since it is larger than the sum of its proper divisors (1389593).

51144343 is a wasteful number, since it uses less digits than its factorization.

51144343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425.

The product of its digits is 2880, while the sum is 25.

The square root of 51144343 is about 7151.5273193913. The cubic root of 51144343 is about 371.1925074313.

Adding to 51144343 its reverse (34344115), we get a palindrome (85488458).

The spelling of 51144343 in words is "fifty-one million, one hundred forty-four thousand, three hundred forty-three".

Divisors: 1 41 421 2963 17261 121483 1247423 51144343