Base | Representation |
---|---|
bin | 1100001010100… |
… | …1010111010011 |
3 | 10120000100122021 |
4 | 3002221113103 |
5 | 101030302423 |
6 | 5021352311 |
7 | 1156464664 |
oct | 302512723 |
9 | 116010567 |
10 | 51025363 |
11 | 26891124 |
12 | 15108697 |
13 | a75702c |
14 | 6ac336b |
15 | 472d95d |
hex | 30a95d3 |
51025363 has 4 divisors (see below), whose sum is σ = 51043408. Its totient is φ = 51007320.
The previous prime is 51025343. The next prime is 51025367. The reversal of 51025363 is 36352015.
It is a happy number.
51025363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 51025363 - 213 = 51017171 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51025367) 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 3 ways as a sum of consecutive naturals, for example, 3756 + ... + 10777.
It is an arithmetic number, because the mean of its divisors is an integer number (12760852).
Almost surely, 251025363 is an apocalyptic number.
51025363 is a deficient number, since it is larger than the sum of its proper divisors (18045).
51025363 is a wasteful number, since it uses less digits than its factorization.
51025363 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18044.
The product of its (nonzero) digits is 2700, while the sum is 25.
The square root of 51025363 is about 7143.2039730082. The cubic root of 51025363 is about 370.9044418394.
Adding to 51025363 its reverse (36352015), we get a palindrome (87377378).
The spelling of 51025363 in words is "fifty-one million, twenty-five thousand, three hundred sixty-three".
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