Base | Representation |
---|---|
bin | 1010001000111100101001 |
3 | 12000001012202 |
4 | 22020330221 |
5 | 1140024324 |
6 | 132545545 |
7 | 31410350 |
oct | 12107451 |
9 | 5001182 |
10 | 2658089 |
11 | 1556075 |
12 | a822b5 |
13 | 720b45 |
14 | 4d2997 |
15 | 3778ae |
hex | 288f29 |
2658089 has 4 divisors (see below), whose sum is σ = 3037824. Its totient is φ = 2278356.
The previous prime is 2658079. The next prime is 2658101. The reversal of 2658089 is 9808562.
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.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2658089 is a prime.
It is a Duffinian number.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (2658049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189857 + ... + 189870.
It is an arithmetic number, because the mean of its divisors is an integer number (759456).
22658089 is an apocalyptic number.
It is an amenable number.
2658089 is a deficient number, since it is larger than the sum of its proper divisors (379735).
2658089 is an equidigital number, since it uses as much as digits as its factorization.
2658089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379734.
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 2658089 is about 1630.3646831307. The cubic root of 2658089 is about 138.5234096155.
The spelling of 2658089 in words is "two million, six hundred fifty-eight thousand, eighty-nine".
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