Base | Representation |
---|---|
bin | 1001111000100101011001 |
3 | 11212122021101 |
4 | 21320211121 |
5 | 1130403230 |
6 | 131311401 |
7 | 31011061 |
oct | 11704531 |
9 | 4778241 |
10 | 2591065 |
11 | 150a784 |
12 | a4b561 |
13 | 6c9499 |
14 | 4b63a1 |
15 | 362aca |
hex | 278959 |
2591065 has 8 divisors (see below), whose sum is σ = 3244608. Its totient is φ = 1982640.
The previous prime is 2591059. The next prime is 2591093. The reversal of 2591065 is 5601952.
2591065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2591065 - 27 = 2590937 is a prime.
It is a Duffinian number.
2591065 is a lucky number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 11151 + ... + 11380.
It is an arithmetic number, because the mean of its divisors is an integer number (405576).
22591065 is an apocalyptic number.
It is an amenable number.
2591065 is a deficient number, since it is larger than the sum of its proper divisors (653543).
2591065 is a wasteful number, since it uses less digits than its factorization.
2591065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22559.
The product of its (nonzero) digits is 2700, while the sum is 28.
The square root of 2591065 is about 1609.6785393363. The cubic root of 2591065 is about 137.3491900240.
The spelling of 2591065 in words is "two million, five hundred ninety-one thousand, sixty-five".
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