Base | Representation |
---|---|
bin | 100101111101111111111 |
3 | 2100012122222 |
4 | 10233233333 |
5 | 304303114 |
6 | 42355555 |
7 | 13401200 |
oct | 4575777 |
9 | 2305588 |
10 | 1244159 |
11 | 77a834 |
12 | 4bbbbb |
13 | 3473b7 |
14 | 2455a7 |
15 | 19898e |
hex | 12fbff |
1244159 has 6 divisors (see below), whose sum is σ = 1447344. Its totient is φ = 1066380.
The previous prime is 1244153. The next prime is 1244167. The reversal of 1244159 is 9514421.
It is not a de Polignac number, because 1244159 - 24 = 1244143 is a prime.
It is a Duffinian number.
It is a plaindrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1244153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12647 + ... + 12744.
It is an arithmetic number, because the mean of its divisors is an integer number (241224).
21244159 is an apocalyptic number.
1244159 is a deficient number, since it is larger than the sum of its proper divisors (203185).
1244159 is an equidigital number, since it uses as much as digits as its factorization.
1244159 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25405 (or 25398 counting only the distinct ones).
The product of its digits is 1440, while the sum is 26.
The square root of 1244159 is about 1115.4187554457. The cubic root of 1244159 is about 107.5536851017.
The spelling of 1244159 in words is "one million, two hundred forty-four thousand, one hundred fifty-nine".
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