Base | Representation |
---|---|
bin | 10011011000100010010111 |
3 | 100120011011001 |
4 | 103120202113 |
5 | 2300044424 |
6 | 300524131 |
7 | 61122052 |
oct | 23304227 |
9 | 10504131 |
10 | 5081239 |
11 | 2960679 |
12 | 1850647 |
13 | 108ba67 |
14 | 963a99 |
15 | 6a5844 |
hex | 4d8897 |
5081239 has 4 divisors (see below), whose sum is σ = 5164600. Its totient is φ = 4997880.
The previous prime is 5081231. The next prime is 5081287. The reversal of 5081239 is 9321805.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9321805 = 5 ⋅1864361.
It is a cyclic number.
It is not a de Polignac number, because 5081239 - 23 = 5081231 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5081231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41589 + ... + 41710.
It is an arithmetic number, because the mean of its divisors is an integer number (1291150).
Almost surely, 25081239 is an apocalyptic number.
5081239 is a deficient number, since it is larger than the sum of its proper divisors (83361).
5081239 is an equidigital number, since it uses as much as digits as its factorization.
5081239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83360.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 5081239 is about 2254.1603758384. The cubic root of 5081239 is about 171.9187352724.
The spelling of 5081239 in words is "five million, eighty-one thousand, two hundred thirty-nine".
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