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51299422 = 289288199
BaseRepresentation
bin1100001110110…
…0010001011110
310120112021120121
43003230101132
5101113040142
65031305154
71162015666
oct303542136
9116467517
1051299422
1126a59019
121521b1ba
13a8219b5
146b551a6
154784c67
hex30ec45e

51299422 has 8 divisors (see below), whose sum is σ = 77814000. Its totient is φ = 25361424.

The previous prime is 51299383. The next prime is 51299429. The reversal of 51299422 is 22499215.

51299422 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 (51299429) 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, 143922 + ... + 144277.

It is an arithmetic number, because the mean of its divisors is an integer number (9726750).

Almost surely, 251299422 is an apocalyptic number.

51299422 is a deficient number, since it is larger than the sum of its proper divisors (26514578).

51299422 is a wasteful number, since it uses less digits than its factorization.

51299422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288290.

The product of its digits is 12960, while the sum is 34.

The square root of 51299422 is about 7162.3614820812. The cubic root of 51299422 is about 371.5673033886.

The spelling of 51299422 in words is "fifty-one million, two hundred ninety-nine thousand, four hundred twenty-two".

Divisors: 1 2 89 178 288199 576398 25649711 51299422