Base | Representation |
---|---|
bin | 1000100100111111011001 |
3 | 11020020120220 |
4 | 20210333121 |
5 | 1033424130 |
6 | 120110253 |
7 | 25053606 |
oct | 10447731 |
9 | 4206526 |
10 | 2248665 |
11 | 12a6501 |
12 | 905389 |
13 | 609693 |
14 | 4276ad |
15 | 2e6410 |
hex | 224fd9 |
2248665 has 8 divisors (see below), whose sum is σ = 3597888. Its totient is φ = 1199280.
The previous prime is 2248663. The next prime is 2248679. The reversal of 2248665 is 5668422.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2248665 - 21 = 2248663 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an Ulam number.
It is a d-powerful number, because it can be written as 25 + 221 + 48 + 8 + 62 + 65 + 57 .
2248665 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2248661) 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, 74941 + ... + 74970.
It is an arithmetic number, because the mean of its divisors is an integer number (449736).
22248665 is an apocalyptic number.
It is an amenable number.
2248665 is a deficient number, since it is larger than the sum of its proper divisors (1349223).
2248665 is a wasteful number, since it uses less digits than its factorization.
2248665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149919.
The product of its digits is 23040, while the sum is 33.
The square root of 2248665 is about 1499.5549339721. The cubic root of 2248665 is about 131.0111483626.
The spelling of 2248665 in words is "two million, two hundred forty-eight thousand, six hundred sixty-five".
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