Base | Representation |
---|---|
bin | 100101011000110110101 |
3 | 2022020120121 |
4 | 10223012311 |
5 | 303201031 |
6 | 42131541 |
7 | 13261561 |
oct | 4530665 |
9 | 2266517 |
10 | 1225141 |
11 | 767515 |
12 | 4b0bb1 |
13 | 33b848 |
14 | 23c6a1 |
15 | 193011 |
hex | 12b1b5 |
1225141 has 4 divisors (see below), whose sum is σ = 1278432. Its totient is φ = 1171852.
The previous prime is 1225129. The next prime is 1225153. The reversal of 1225141 is 1415221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (1225129) and next prime (1225153).
It is a cyclic number.
It is not a de Polignac number, because 1225141 - 25 = 1225109 is a prime.
1225141 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1225111) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 26611 + ... + 26656.
It is an arithmetic number, because the mean of its divisors is an integer number (319608).
21225141 is an apocalyptic number.
It is an amenable number.
1225141 is a deficient number, since it is larger than the sum of its proper divisors (53291).
1225141 is an equidigital number, since it uses as much as digits as its factorization.
1225141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53290.
The product of its digits is 80, while the sum is 16.
The square root of 1225141 is about 1106.8608765333. The cubic root of 1225141 is about 107.0028531571.
Adding to 1225141 its product of digits (80), we get a palindrome (1225221).
The spelling of 1225141 in words is "one million, two hundred twenty-five thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •