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51427814 = 2223115309
BaseRepresentation
bin1100010000101…
…1100111100110
310120202210200212
43010023213212
5101131142224
65034135422
71163062214
oct304134746
9116683625
1051427814
1127036529
1215281572
13a868279
146b89cb4
1547acd0e
hex310b9e6

51427814 has 8 divisors (see below), whose sum is σ = 77488320. Its totient is φ = 25598376.

The previous prime is 51427811. The next prime is 51427837. The reversal of 51427814 is 41872415.

It is a happy number.

51427814 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (51427811) 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 3 ways as a sum of consecutive naturals, for example, 57209 + ... + 58100.

It is an arithmetic number, because the mean of its divisors is an integer number (9686040).

Almost surely, 251427814 is an apocalyptic number.

51427814 is a deficient number, since it is larger than the sum of its proper divisors (26060506).

51427814 is a wasteful number, since it uses less digits than its factorization.

51427814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115534.

The product of its digits is 8960, while the sum is 32.

The square root of 51427814 is about 7171.3188466279. The cubic root of 51427814 is about 371.8770308860.

The spelling of 51427814 in words is "fifty-one million, four hundred twenty-seven thousand, eight hundred fourteen".

Divisors: 1 2 223 446 115309 230618 25713907 51427814