Base | Representation |
---|---|
bin | 1100001010011… |
… | …1011111010010 |
3 | 10112222222002210 |
4 | 3002213133102 |
5 | 101030031212 |
6 | 5021252550 |
7 | 1156433412 |
oct | 302473722 |
9 | 115888083 |
10 | 51017682 |
11 | 26886381 |
12 | 15104156 |
13 | a7536a1 |
14 | 6ac0642 |
15 | 472b53c |
hex | 30a77d2 |
51017682 has 8 divisors (see below), whose sum is σ = 102035376. Its totient is φ = 17005892.
The previous prime is 51017677. The next prime is 51017711. The reversal of 51017682 is 28671015.
It is a sphenic number, since it is the product of 3 distinct primes.
51017682 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4251468 + ... + 4251479.
It is an arithmetic number, because the mean of its divisors is an integer number (12754422).
Almost surely, 251017682 is an apocalyptic number.
51017682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51017682 is a wasteful number, since it uses less digits than its factorization.
51017682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8502952.
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 51017682 is about 7142.6663088793. Note that the first 3 decimals coincide. The cubic root of 51017682 is about 370.8858297884.
Adding to 51017682 its reverse (28671015), we get a palindrome (79688697).
The spelling of 51017682 in words is "fifty-one million, seventeen thousand, six hundred eighty-two".
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