Base | Representation |
---|---|
bin | 1100010101100… |
… | …1000100111011 |
3 | 10121100220220120 |
4 | 3011121010323 |
5 | 101221320313 |
6 | 5045024323 |
7 | 1165553205 |
oct | 305310473 |
9 | 117326816 |
10 | 51745083 |
11 | 27232935 |
12 | 153b50a3 |
13 | a9497c0 |
14 | 6c2d775 |
15 | 4821d23 |
hex | 315913b |
51745083 has 8 divisors (see below), whose sum is σ = 74300688. Its totient is φ = 31843104.
The previous prime is 51745081. The next prime is 51745087. The reversal of 51745083 is 38054715.
51745083 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 not a de Polignac number, because 51745083 - 21 = 51745081 is a prime.
It is a super-2 number, since 2×517450832 = 5355107229353778, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51745081) 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, 663360 + ... + 663437.
It is an arithmetic number, because the mean of its divisors is an integer number (9287586).
Almost surely, 251745083 is an apocalyptic number.
51745083 is a deficient number, since it is larger than the sum of its proper divisors (22555605).
51745083 is a wasteful number, since it uses less digits than its factorization.
51745083 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1326813.
The product of its (nonzero) digits is 16800, while the sum is 33.
The square root of 51745083 is about 7193.4055217261. The cubic root of 51745083 is about 372.6401928654.
Adding to 51745083 its reverse (38054715), we get a palindrome (89799798).
The spelling of 51745083 in words is "fifty-one million, seven hundred forty-five thousand, eighty-three".
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