Base | Representation |
---|---|
bin | 111111110010000011111 |
3 | 10221011221222 |
4 | 13332100133 |
5 | 1013340030 |
6 | 112443555 |
7 | 23523224 |
oct | 7762037 |
9 | 3834858 |
10 | 2090015 |
11 | 11a8294 |
12 | 8495bb |
13 | 5823c5 |
14 | 3c594b |
15 | 2b43e5 |
hex | 1fe41f |
2090015 has 8 divisors (see below), whose sum is σ = 2566608. Its totient is φ = 1632960.
The previous prime is 2090009. The next prime is 2090017. The reversal of 2090015 is 5100902.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2090015 - 26 = 2089951 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2089975 and 2090002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2090017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4646 + ... + 5075.
It is an arithmetic number, because the mean of its divisors is an integer number (320826).
22090015 is an apocalyptic number.
2090015 is a deficient number, since it is larger than the sum of its proper divisors (476593).
2090015 is an equidigital number, since it uses as much as digits as its factorization.
2090015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9769.
The product of its (nonzero) digits is 90, while the sum is 17.
The square root of 2090015 is about 1445.6884173293. The cubic root of 2090015 is about 127.8546323339.
Adding to 2090015 its reverse (5100902), we get a palindrome (7190917).
The spelling of 2090015 in words is "two million, ninety thousand, fifteen".
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