Base | Representation |
---|---|
bin | 1010101101000100011001 |
3 | 12021120011110 |
4 | 22231010121 |
5 | 1204243131 |
6 | 140050533 |
7 | 32564610 |
oct | 12550431 |
9 | 5246143 |
10 | 2806041 |
11 | 1647247 |
12 | b33a49 |
13 | 7732a4 |
14 | 530877 |
15 | 3a6646 |
hex | 2ad119 |
2806041 has 16 divisors (see below), whose sum is σ = 4368384. Its totient is φ = 1568784.
The previous prime is 2806031. The next prime is 2806049. The reversal of 2806041 is 1406082.
It is not a de Polignac number, because 2806041 - 29 = 2805529 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 2805999 and 2806017.
It is not an unprimeable number, because it can be changed into a prime (2806049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435 + ... + 2408.
It is an arithmetic number, because the mean of its divisors is an integer number (273024).
22806041 is an apocalyptic number.
2806041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2806041 is a deficient number, since it is larger than the sum of its proper divisors (1562343).
2806041 is a wasteful number, since it uses less digits than its factorization.
2806041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2900.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 2806041 is about 1675.1241745017. The cubic root of 2806041 is about 141.0472654780.
The spelling of 2806041 in words is "two million, eight hundred six thousand, forty-one".
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