Base | Representation |
---|---|
bin | 1001011110111001000111 |
3 | 11200021220211 |
4 | 21132321013 |
5 | 1114021311 |
6 | 125140251 |
7 | 30062215 |
oct | 11367107 |
9 | 4607824 |
10 | 2485831 |
11 | 1448707 |
12 | 9ba687 |
13 | 69060a |
14 | 489cb5 |
15 | 341821 |
hex | 25ee47 |
2485831 has 2 divisors, whose sum is σ = 2485832. Its totient is φ = 2485830.
The previous prime is 2485807. The next prime is 2485849. The reversal of 2485831 is 1385842.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2485831 - 29 = 2485319 is a prime.
It is a super-3 number, since 3×24858313 = 46082502328893333573, which contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 2485793 and 2485802.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2485801) 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 as a sum of consecutive naturals, namely, 1242915 + 1242916.
It is an arithmetic number, because the mean of its divisors is an integer number (1242916).
22485831 is an apocalyptic number.
2485831 is a deficient number, since it is larger than the sum of its proper divisors (1).
2485831 is an equidigital number, since it uses as much as digits as its factorization.
2485831 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 7680, while the sum is 31.
The square root of 2485831 is about 1576.6518322065. The cubic root of 2485831 is about 135.4639910125.
The spelling of 2485831 in words is "two million, four hundred eighty-five thousand, eight hundred thirty-one".
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