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51744313 is a prime number
BaseRepresentation
bin1100010101100…
…0111000111001
310121100212212001
43011120320321
5101221304223
65045021001
71165551025
oct305307071
9117325761
1051744313
11272322a5
12153b4761
13a94934a
146c2d385
1548219ad
hex3158e39

51744313 has 2 divisors, whose sum is σ = 51744314. Its totient is φ = 51744312.

The previous prime is 51744307. The next prime is 51744331. The reversal of 51744313 is 31344715.

51744313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (51744331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45333289 + 6411024 = 6733^2 + 2532^2 .

It is a cyclic number.

It is not a de Polignac number, because 51744313 - 25 = 51744281 is a prime.

It is not a weakly prime, because it can be changed into another prime (51745313) 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 as a sum of consecutive naturals, namely, 25872156 + 25872157.

It is an arithmetic number, because the mean of its divisors is an integer number (25872157).

Almost surely, 251744313 is an apocalyptic number.

It is an amenable number.

51744313 is a deficient number, since it is larger than the sum of its proper divisors (1).

51744313 is an equidigital number, since it uses as much as digits as its factorization.

51744313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 51744313 is about 7193.3520002847. The cubic root of 51744313 is about 372.6383444813.

The spelling of 51744313 in words is "fifty-one million, seven hundred forty-four thousand, three hundred thirteen".