Base | Representation |
---|---|
bin | 111101000110100110111 |
3 | 10202201112201 |
4 | 13220310313 |
5 | 1003032411 |
6 | 110525331 |
7 | 23006260 |
oct | 7506467 |
9 | 3681481 |
10 | 2002231 |
11 | 1148340 |
12 | 806847 |
13 | 55146a |
14 | 3a1967 |
15 | 2983c1 |
hex | 1e8d37 |
2002231 has 8 divisors (see below), whose sum is σ = 2496384. Its totient is φ = 1560120.
The previous prime is 2002229. The next prime is 2002249. The reversal of 2002231 is 1322002.
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 2002231 - 21 = 2002229 is a prime.
It is a super-2 number, since 2×20022312 = 8017857954722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2002211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12925 + ... + 13078.
It is an arithmetic number, because the mean of its divisors is an integer number (312048).
22002231 is an apocalyptic number.
2002231 is a deficient number, since it is larger than the sum of its proper divisors (494153).
2002231 is a wasteful number, since it uses less digits than its factorization.
2002231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26021.
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 2002231 is about 1415.0021201398. The cubic root of 2002231 is about 126.0389356450.
Adding to 2002231 its reverse (1322002), we get a palindrome (3324233).
The spelling of 2002231 in words is "two million, two thousand, two hundred thirty-one".
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