Base | Representation |
---|---|
bin | 100101110010011010110 |
3 | 2022220112101 |
4 | 10232103112 |
5 | 304110410 |
6 | 42312314 |
7 | 13345000 |
oct | 4562326 |
9 | 2286471 |
10 | 1238230 |
11 | 776334 |
12 | 4b869a |
13 | 3447a6 |
14 | 243370 |
15 | 196d3a |
hex | 12e4d6 |
1238230 has 48 divisors (see below), whose sum is σ = 2743200. Its totient is φ = 402192.
The previous prime is 1238219. The next prime is 1238267. The reversal of 1238230 is 328321.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 1238198 and 1238207.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65161 + ... + 65179.
It is an arithmetic number, because the mean of its divisors is an integer number (57150).
21238230 is an apocalyptic number.
1238230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1238230 is an abundant number, since it is smaller than the sum of its proper divisors (1504970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1238230 is an equidigital number, since it uses as much as digits as its factorization.
1238230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66 (or 33 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1238230 is about 1112.7578352903. The cubic root of 1238230 is about 107.3825651065.
Multiplying 1238230 by its sum of digits (19), we get a triangular number (23526370 = T6859).
Subtracting from 1238230 its reverse (328321), we obtain a palindrome (909909).
The spelling of 1238230 in words is "one million, two hundred thirty-eight thousand, two hundred thirty".
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