Base | Representation |
---|---|
bin | 1000011001001001111111 |
3 | 11010210002120 |
4 | 20121021333 |
5 | 1030401231 |
6 | 115054023 |
7 | 24462360 |
oct | 10311177 |
9 | 4123076 |
10 | 2200191 |
11 | 1273044 |
12 | 8a1313 |
13 | 5c05b6 |
14 | 413b67 |
15 | 2d6d96 |
hex | 21927f |
2200191 has 16 divisors (see below), whose sum is σ = 3550464. Its totient is φ = 1183104.
The previous prime is 2200153. The next prime is 2200193. The reversal of 2200191 is 1910022.
It is a happy number.
It is not a de Polignac number, because 2200191 - 214 = 2183807 is a prime.
2200191 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 2200191.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2200193) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2725 + ... + 3438.
It is an arithmetic number, because the mean of its divisors is an integer number (221904).
22200191 is an apocalyptic number.
2200191 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2200191 is a deficient number, since it is larger than the sum of its proper divisors (1350273).
2200191 is a wasteful number, since it uses less digits than its factorization.
2200191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6190.
The product of its (nonzero) digits is 36, while the sum is 15.
The square root of 2200191 is about 1483.3040821086. The cubic root of 2200191 is about 130.0629084090.
The spelling of 2200191 in words is "two million, two hundred thousand, one hundred ninety-one".
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