Base | Representation |
---|---|
bin | 1000011010110110101001 |
3 | 11011010122010 |
4 | 20122312221 |
5 | 1031112040 |
6 | 115150133 |
7 | 24521553 |
oct | 10326651 |
9 | 4133563 |
10 | 2207145 |
11 | 1278296 |
12 | 8a5349 |
13 | 5c3805 |
14 | 4164d3 |
15 | 2d8e80 |
hex | 21ada9 |
2207145 has 16 divisors (see below), whose sum is σ = 3551040. Its totient is φ = 1170624.
The previous prime is 2207143. The next prime is 2207159. The reversal of 2207145 is 5417022.
2207145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2207145 - 21 = 2207143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2207143) 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 15 ways as a sum of consecutive naturals, for example, 3762 + ... + 4308.
It is an arithmetic number, because the mean of its divisors is an integer number (221940).
22207145 is an apocalyptic number.
It is an amenable number.
2207145 is a deficient number, since it is larger than the sum of its proper divisors (1343895).
2207145 is a wasteful number, since it uses less digits than its factorization.
2207145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 824.
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 2207145 is about 1485.6463239950. The cubic root of 2207145 is about 130.1997914112.
The spelling of 2207145 in words is "two million, two hundred seven thousand, one hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •