Base | Representation |
---|---|
bin | 1010000100010011110111 |
3 | 11222002011021 |
4 | 22010103313 |
5 | 1133422340 |
6 | 132322011 |
7 | 31301104 |
oct | 12042367 |
9 | 4862137 |
10 | 2639095 |
11 | 1542878 |
12 | a73307 |
13 | 7152c4 |
14 | 4c9aab |
15 | 371e4a |
hex | 2844f7 |
2639095 has 4 divisors (see below), whose sum is σ = 3166920. Its totient is φ = 2111272.
The previous prime is 2639093. The next prime is 2639107. The reversal of 2639095 is 5909362.
It is a happy number.
2639095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5909362 = 2 ⋅2954681.
It is a cyclic number.
It is not a de Polignac number, because 2639095 - 21 = 2639093 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2639095.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2639093) 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 3 ways as a sum of consecutive naturals, for example, 263905 + ... + 263914.
It is an arithmetic number, because the mean of its divisors is an integer number (791730).
22639095 is an apocalyptic number.
2639095 is a deficient number, since it is larger than the sum of its proper divisors (527825).
2639095 is an equidigital number, since it uses as much as digits as its factorization.
2639095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 527824.
The product of its (nonzero) digits is 14580, while the sum is 34.
The square root of 2639095 is about 1624.5291625576. The cubic root of 2639095 is about 138.1926700351.
The spelling of 2639095 in words is "two million, six hundred thirty-nine thousand, ninety-five".
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