Base | Representation |
---|---|
bin | 100101110010011001111 |
3 | 2022220112010 |
4 | 10232103033 |
5 | 304110343 |
6 | 42312303 |
7 | 13344660 |
oct | 4562317 |
9 | 2286463 |
10 | 1238223 |
11 | 776328 |
12 | 4b8693 |
13 | 34479c |
14 | 243367 |
15 | 196d33 |
hex | 12e4cf |
1238223 has 8 divisors (see below), whose sum is σ = 1886848. Its totient is φ = 707544.
The previous prime is 1238219. The next prime is 1238267. The reversal of 1238223 is 3228321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1238223 - 22 = 1238219 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 58963 = 1238223 / (1 + 2 + 3 + 8 + 2 + 2 + 3).
It is an Ulam number.
It is a Duffinian number.
It is a plaindrome in base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 1238223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1238273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29461 + ... + 29502.
It is an arithmetic number, because the mean of its divisors is an integer number (235856).
21238223 is an apocalyptic number.
1238223 is a deficient number, since it is larger than the sum of its proper divisors (648625).
1238223 is an equidigital number, since it uses as much as digits as its factorization.
1238223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58973.
The product of its digits is 576, while the sum is 21.
The square root of 1238223 is about 1112.7546899474. The cubic root of 1238223 is about 107.3823627533.
The spelling of 1238223 in words is "one million, two hundred thirty-eight thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •