Base | Representation |
---|---|
bin | 111111010010110100101 |
3 | 10220101000121 |
4 | 13322112211 |
5 | 1012332041 |
6 | 112241541 |
7 | 23425465 |
oct | 7722645 |
9 | 3811017 |
10 | 2074021 |
11 | 1197274 |
12 | 8402b1 |
13 | 578041 |
14 | 3bdba5 |
15 | 2ae7d1 |
hex | 1fa5a5 |
2074021 has 4 divisors (see below), whose sum is σ = 2183200. Its totient is φ = 1964844.
The previous prime is 2073997. The next prime is 2074031. The reversal of 2074021 is 1204702.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1204702 = 2 ⋅602351.
It is a cyclic number.
It is not a de Polignac number, because 2074021 - 25 = 2073989 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2073986 and 2074004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2074031) 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, 54561 + ... + 54598.
It is an arithmetic number, because the mean of its divisors is an integer number (545800).
22074021 is an apocalyptic number.
It is an amenable number.
2074021 is a deficient number, since it is larger than the sum of its proper divisors (109179).
2074021 is a wasteful number, since it uses less digits than its factorization.
2074021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109178.
The product of its (nonzero) digits is 112, while the sum is 16.
The square root of 2074021 is about 1440.1461731366. The cubic root of 2074021 is about 127.5276577190.
Adding to 2074021 its reverse (1204702), we get a palindrome (3278723).
The spelling of 2074021 in words is "two million, seventy-four thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •