Base | Representation |
---|---|
bin | 1000100101000100011011 |
3 | 11020021000211 |
4 | 20211010123 |
5 | 1033431422 |
6 | 120111551 |
7 | 25054546 |
oct | 10450433 |
9 | 4207024 |
10 | 2248987 |
11 | 12a6774 |
12 | 9055b7 |
13 | 609880 |
14 | 42785d |
15 | 2e6577 |
hex | 22511b |
2248987 has 4 divisors (see below), whose sum is σ = 2422000. Its totient is φ = 2075976.
The previous prime is 2248969. The next prime is 2248991. The reversal of 2248987 is 7898422.
2248987 is nontrivially palindromic in base 9.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2248987 - 219 = 1724699 is a prime.
It is a Duffinian number.
2248987 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2248927) 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, 86487 + ... + 86512.
It is an arithmetic number, because the mean of its divisors is an integer number (605500).
22248987 is an apocalyptic number.
2248987 is a deficient number, since it is larger than the sum of its proper divisors (173013).
2248987 is a wasteful number, since it uses less digits than its factorization.
2248987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173012.
The product of its digits is 64512, while the sum is 40.
The square root of 2248987 is about 1499.6622953185. The cubic root of 2248987 is about 131.0174014916.
The spelling of 2248987 in words is "two million, two hundred forty-eight thousand, nine hundred eighty-seven".
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