Base | Representation |
---|---|
bin | 1000011011000100101101 |
3 | 11011011212110 |
4 | 20123010231 |
5 | 1031124140 |
6 | 115154233 |
7 | 24524310 |
oct | 10330455 |
9 | 4134773 |
10 | 2208045 |
11 | 1278a34 |
12 | 8a5979 |
13 | 5c4048 |
14 | 416977 |
15 | 2d9380 |
hex | 21b12d |
2208045 has 32 divisors (see below), whose sum is σ = 4278528. Its totient is φ = 949248.
The previous prime is 2207993. The next prime is 2208053. The reversal of 2208045 is 5408022.
It is not a de Polignac number, because 2208045 - 26 = 2207981 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a d-powerful number, because it can be written as 219 + 219 + 0 + 85 + 0 + 410 + 57 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1167 + ... + 2403.
It is an arithmetic number, because the mean of its divisors is an integer number (133704).
22208045 is an apocalyptic number.
It is an amenable number.
2208045 is a deficient number, since it is larger than the sum of its proper divisors (2070483).
2208045 is a wasteful number, since it uses less digits than its factorization.
2208045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1269.
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 2208045 is about 1485.9491915944. The cubic root of 2208045 is about 130.2174860482.
The spelling of 2208045 in words is "two million, two hundred eight thousand, forty-five".
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