Base | Representation |
---|---|
bin | 1000100101000100011101 |
3 | 11020021000220 |
4 | 20211010131 |
5 | 1033431424 |
6 | 120111553 |
7 | 25054551 |
oct | 10450435 |
9 | 4207026 |
10 | 2248989 |
11 | 12a6776 |
12 | 9055b9 |
13 | 609882 |
14 | 427861 |
15 | 2e6579 |
hex | 22511d |
2248989 has 12 divisors (see below), whose sum is σ = 3062304. Its totient is φ = 1468104.
The previous prime is 2248969. The next prime is 2248991. The reversal of 2248989 is 9898422.
It is not a de Polignac number, because 2248989 - 27 = 2248861 is a prime.
2248989 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 2248989.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2248919) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13384 + ... + 13550.
It is an arithmetic number, because the mean of its divisors is an integer number (255192).
22248989 is an apocalyptic number.
It is an amenable number.
2248989 is a deficient number, since it is larger than the sum of its proper divisors (813315).
2248989 is an equidigital number, since it uses as much as digits as its factorization.
2248989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 304 (or 237 counting only the distinct ones).
The product of its digits is 82944, while the sum is 42.
The square root of 2248989 is about 1499.6629621352. The cubic root of 2248989 is about 131.0174403290.
It can be divided in two parts, 22489 and 89, that added together give a triangular number (22578 = T212).
The spelling of 2248989 in words is "two million, two hundred forty-eight thousand, nine hundred eighty-nine".
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