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51348323 = 133949871
BaseRepresentation
bin1100001111100…
…0001101100011
310120121202122202
43003320031203
5101121121243
65032323415
71162311365
oct303701543
9116552582
1051348323
1126a91834
121524356b
13a83b030
146b68d35
1547944b8
hex30f8363

51348323 has 4 divisors (see below), whose sum is σ = 55298208. Its totient is φ = 47398440.

The previous prime is 51348301. The next prime is 51348329. The reversal of 51348323 is 32384315.

51348323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51348323 - 216 = 51282787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51348329) 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, 1974923 + ... + 1974948.

It is an arithmetic number, because the mean of its divisors is an integer number (13824552).

Almost surely, 251348323 is an apocalyptic number.

51348323 is a deficient number, since it is larger than the sum of its proper divisors (3949885).

51348323 is a wasteful number, since it uses less digits than its factorization.

51348323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949884.

The product of its digits is 8640, while the sum is 29.

The square root of 51348323 is about 7165.7744173257. The cubic root of 51348323 is about 371.6853309839.

The spelling of 51348323 in words is "fifty-one million, three hundred forty-eight thousand, three hundred twenty-three".

Divisors: 1 13 3949871 51348323