Base | Representation |
---|---|
bin | 1000100010100011000111 |
3 | 11012201212110 |
4 | 20202203013 |
5 | 1033114123 |
6 | 115552103 |
7 | 25012500 |
oct | 10424307 |
9 | 4181773 |
10 | 2238663 |
11 | 1299a39 |
12 | 8bb633 |
13 | 604c6b |
14 | 423ba7 |
15 | 2e3493 |
hex | 2228c7 |
2238663 has 24 divisors (see below), whose sum is σ = 3530352. Its totient is φ = 1257984.
The previous prime is 2238661. The next prime is 2238673. The reversal of 2238663 is 3668322.
It is not a de Polignac number, because 2238663 - 21 = 2238661 is a prime.
It is a super-2 number, since 2×22386632 = 10023224055138, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2238663.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2238661) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14181 + ... + 14337.
It is an arithmetic number, because the mean of its divisors is an integer number (147098).
22238663 is an apocalyptic number.
2238663 is a deficient number, since it is larger than the sum of its proper divisors (1291689).
2238663 is a wasteful number, since it uses less digits than its factorization.
2238663 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271 (or 264 counting only the distinct ones).
The product of its digits is 10368, while the sum is 30.
The square root of 2238663 is about 1496.2162276890. The cubic root of 2238663 is about 130.8166149904.
The spelling of 2238663 in words is "two million, two hundred thirty-eight thousand, six hundred sixty-three".
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