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51150217 = 315213167
BaseRepresentation
bin1100001100011…
…1110110001001
310120020200220111
43003013312021
5101043301332
65024154321
71160524666
oct303076611
9116220814
1051150217
1126966a08
12151689a1
13a79bb01
146b16a6d
154755947
hex30c7d89

51150217 has 8 divisors (see below), whose sum is σ = 52918272. Its totient is φ = 49389600.

The previous prime is 51150181. The next prime is 51150233. The reversal of 51150217 is 71205115.

51150217 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 cyclic number.

It is not a de Polignac number, because 51150217 - 27 = 51150089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51150017) 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, 14568 + ... + 17734.

It is an arithmetic number, because the mean of its divisors is an integer number (6614784).

Almost surely, 251150217 is an apocalyptic number.

It is an amenable number.

51150217 is a deficient number, since it is larger than the sum of its proper divisors (1768055).

51150217 is a wasteful number, since it uses less digits than its factorization.

51150217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 51150217 is about 7151.9379891048. The cubic root of 51150217 is about 371.2067175485.

The spelling of 51150217 in words is "fifty-one million, one hundred fifty thousand, two hundred seventeen".

Divisors: 1 31 521 3167 16151 98177 1650007 51150217