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51348589 = 293135657
BaseRepresentation
bin1100001111100…
…0010001101101
310120121210000121
43003320101231
5101121123324
65032324541
71162312225
oct303702155
9116553017
1051348589
1126a91a56
1215243751
13a83b1a6
146b69085
1547945e4
hex30f846d

51348589 has 8 divisors (see below), whose sum is σ = 53298360. Its totient is φ = 49410816.

The previous prime is 51348569. The next prime is 51348613. The reversal of 51348589 is 98584315.

51348589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1646089 + 49702500 = 1283^2 + 7050^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 51348589 - 221 = 49251437 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 (51348569) 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, 6249 + ... + 11905.

It is an arithmetic number, because the mean of its divisors is an integer number (6662295).

Almost surely, 251348589 is an apocalyptic number.

It is an amenable number.

51348589 is a deficient number, since it is larger than the sum of its proper divisors (1949771).

51348589 is a wasteful number, since it uses less digits than its factorization.

51348589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999.

The product of its digits is 172800, while the sum is 43.

The square root of 51348589 is about 7165.7929777520. The cubic root of 51348589 is about 371.6859727973.

The spelling of 51348589 in words is "fifty-one million, three hundred forty-eight thousand, five hundred eighty-nine".

Divisors: 1 29 313 5657 9077 164053 1770641 51348589