Base | Representation |
---|---|
bin | 100101100110101110101 |
3 | 2022121022201 |
4 | 10230311311 |
5 | 303412440 |
6 | 42224501 |
7 | 13321360 |
oct | 4546565 |
9 | 2277281 |
10 | 1232245 |
11 | 771893 |
12 | 4b5131 |
13 | 341b51 |
14 | 2410d7 |
15 | 19519a |
hex | 12cd75 |
1232245 has 32 divisors (see below), whose sum is σ = 1900800. Its totient is φ = 746496.
The previous prime is 1232243. The next prime is 1232269. The reversal of 1232245 is 5422321.
1232245 = T126 + T127 + ... + T210.
It is a 5-Lehmer number, since φ(1232245) divides (1232245-1)5.
It is a cyclic number.
It is not a de Polignac number, because 1232245 - 21 = 1232243 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1232243) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11251 + ... + 11359.
It is an arithmetic number, because the mean of its divisors is an integer number (59400).
21232245 is an apocalyptic number.
It is an amenable number.
1232245 is a deficient number, since it is larger than the sum of its proper divisors (668555).
1232245 is a wasteful number, since it uses less digits than its factorization.
1232245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157.
The product of its digits is 480, while the sum is 19.
The square root of 1232245 is about 1110.0653133938. The cubic root of 1232245 is about 107.2092739526.
Adding to 1232245 its reverse (5422321), we get a palindrome (6654566).
The spelling of 1232245 in words is "one million, two hundred thirty-two thousand, two hundred forty-five".
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