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51146085 = 353409739
BaseRepresentation
bin1100001100011…
…0110101100101
310120020111020110
43003012311211
5101043133320
65024123233
71160506644
oct303066545
9116214213
1051146085
11269638a1
1215166519
13a799c73
146b1535b
1547545e0
hex30c6d65

51146085 has 8 divisors (see below), whose sum is σ = 81833760. Its totient is φ = 27277904.

The previous prime is 51146083. The next prime is 51146087. The reversal of 51146085 is 58064115.

51146085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51146083) and next prime (51146087).

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 51146085 - 21 = 51146083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51146083) 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, 1704855 + ... + 1704884.

It is an arithmetic number, because the mean of its divisors is an integer number (10229220).

Almost surely, 251146085 is an apocalyptic number.

It is an amenable number.

51146085 is a deficient number, since it is larger than the sum of its proper divisors (30687675).

51146085 is a wasteful number, since it uses less digits than its factorization.

51146085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409747.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51146085 is about 7151.6491105199. The cubic root of 51146085 is about 371.1967217131.

The spelling of 51146085 in words is "fifty-one million, one hundred forty-six thousand, eighty-five".

Divisors: 1 3 5 15 3409739 10229217 17048695 51146085