Base | Representation |
---|---|
bin | 10011110000101101011011 |
3 | 100202011222011 |
4 | 103300231123 |
5 | 2311232001 |
6 | 303010351 |
7 | 62013526 |
oct | 23605533 |
9 | 10664864 |
10 | 5180251 |
11 | 2a18aaa |
12 | 18999b7 |
13 | 10c4b4b |
14 | 98bbbd |
15 | 6c4d51 |
hex | 4f0b5b |
5180251 has 4 divisors (see below), whose sum is σ = 5185000. Its totient is φ = 5175504.
The previous prime is 5180243. The next prime is 5180281. The reversal of 5180251 is 1520815.
5180251 is digitally balanced in base 3, 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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1520815 = 5 ⋅304163.
It is a cyclic number.
It is not a de Polignac number, because 5180251 - 23 = 5180243 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5180281) 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, 175 + ... + 3223.
It is an arithmetic number, because the mean of its divisors is an integer number (1296250).
Almost surely, 25180251 is an apocalyptic number.
5180251 is a deficient number, since it is larger than the sum of its proper divisors (4749).
5180251 is a wasteful number, since it uses less digits than its factorization.
5180251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4748.
The product of its (nonzero) digits is 400, while the sum is 22.
The square root of 5180251 is about 2276.0164762145. The cubic root of 5180251 is about 173.0282177456.
The spelling of 5180251 in words is "five million, one hundred eighty thousand, two hundred fifty-one".
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