Base | Representation |
---|---|
bin | 1000011001100110001011 |
3 | 11010212120101 |
4 | 20121212023 |
5 | 1030430440 |
6 | 115110231 |
7 | 24500545 |
oct | 10314613 |
9 | 4125511 |
10 | 2201995 |
11 | 1274434 |
12 | 8a2377 |
13 | 5c1373 |
14 | 414695 |
15 | 2d769a |
hex | 21998b |
2201995 has 4 divisors (see below), whose sum is σ = 2642400. Its totient is φ = 1761592.
The previous prime is 2201989. The next prime is 2202007. The reversal of 2201995 is 5991022.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5991022 = 2 ⋅2995511.
It is a cyclic number.
It is not a de Polignac number, because 2201995 - 213 = 2193803 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220195 + ... + 220204.
It is an arithmetic number, because the mean of its divisors is an integer number (660600).
22201995 is an apocalyptic number.
2201995 is a deficient number, since it is larger than the sum of its proper divisors (440405).
2201995 is an equidigital number, since it uses as much as digits as its factorization.
2201995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 440404.
The product of its (nonzero) digits is 1620, while the sum is 28.
The square root of 2201995 is about 1483.9120593890. The cubic root of 2201995 is about 130.0984461401.
The spelling of 2201995 in words is "two million, two hundred one thousand, nine hundred ninety-five".
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