Base | Representation |
---|---|
bin | 1010101100000100000100 |
3 | 12021100111222 |
4 | 22230010010 |
5 | 1204130144 |
6 | 140015512 |
7 | 32546606 |
oct | 12540404 |
9 | 5240458 |
10 | 2801924 |
11 | 1644144 |
12 | b31598 |
13 | 771458 |
14 | 52d176 |
15 | 3a52ee |
hex | 2ac104 |
2801924 has 12 divisors (see below), whose sum is σ = 4940124. Its totient is φ = 1390464.
The previous prime is 2801921. The next prime is 2801927. The reversal of 2801924 is 4291082.
It is an interprime number because it is at equal distance from previous prime (2801921) and next prime (2801927).
It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 2190400 = 782^2 + 1480^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2801893 and 2801902.
It is not an unprimeable number, because it can be changed into a prime (2801921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009 + ... + 3104.
It is an arithmetic number, because the mean of its divisors is an integer number (411677).
22801924 is an apocalyptic number.
It is an amenable number.
2801924 is a deficient number, since it is larger than the sum of its proper divisors (2138200).
2801924 is a wasteful number, since it uses less digits than its factorization.
2801924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5254 (or 5252 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 2801924 is about 1673.8948593027. The cubic root of 2801924 is about 140.9782505896.
The spelling of 2801924 in words is "two million, eight hundred one thousand, nine hundred twenty-four".
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