Base | Representation |
---|---|
bin | 100010111010110011011 |
3 | 2011010120111 |
4 | 10113112123 |
5 | 243103334 |
6 | 40305151 |
7 | 12503626 |
oct | 4272633 |
9 | 2133514 |
10 | 1144219 |
11 | 71173a |
12 | 4721b7 |
13 | 310a6b |
14 | 21adbd |
15 | 179064 |
hex | 11759b |
1144219 has 4 divisors (see below), whose sum is σ = 1211544. Its totient is φ = 1076896.
The previous prime is 1144211. The next prime is 1144223. The reversal of 1144219 is 9124411.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9124411 = 113 ⋅80747.
It is a cyclic number.
It is not a de Polignac number, because 1144219 - 23 = 1144211 is a prime.
It is a super-2 number, since 2×11442192 = 2618474239922, which contains 22 as substring.
It is an Ulam number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1144219.
It is not an unprimeable number, because it can be changed into a prime (1144211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33637 + ... + 33670.
It is an arithmetic number, because the mean of its divisors is an integer number (302886).
21144219 is an apocalyptic number.
1144219 is a deficient number, since it is larger than the sum of its proper divisors (67325).
1144219 is an equidigital number, since it uses as much as digits as its factorization.
1144219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67324.
The product of its digits is 288, while the sum is 22.
The square root of 1144219 is about 1069.6817283660. The cubic root of 1144219 is about 104.5931039938.
The spelling of 1144219 in words is "one million, one hundred forty-four thousand, two hundred nineteen".
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