Base | Representation |
---|---|
bin | 1010101011101001011111 |
3 | 12021021011222 |
4 | 22223221133 |
5 | 1204101343 |
6 | 140003555 |
7 | 32541626 |
oct | 12535137 |
9 | 5237158 |
10 | 2800223 |
11 | 1642938 |
12 | b305bb |
13 | 77074a |
14 | 52c6bd |
15 | 3a4a68 |
hex | 2aba5f |
2800223 has 8 divisors (see below), whose sum is σ = 2990592. Its totient is φ = 2612736.
The previous prime is 2800219. The next prime is 2800241. The reversal of 2800223 is 3220082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2800223 - 22 = 2800219 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2800283) 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, 1511 + ... + 2807.
It is an arithmetic number, because the mean of its divisors is an integer number (373824).
22800223 is an apocalyptic number.
2800223 is a deficient number, since it is larger than the sum of its proper divisors (190369).
2800223 is a wasteful number, since it uses less digits than its factorization.
2800223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1441.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2800223 is about 1673.3866857364. The cubic root of 2800223 is about 140.9497163220.
The spelling of 2800223 in words is "two million, eight hundred thousand, two hundred twenty-three".
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