Base | Representation |
---|---|
bin | 100010110010101110001 |
3 | 2010220220020 |
4 | 10112111301 |
5 | 242440311 |
6 | 40234053 |
7 | 12455565 |
oct | 4262561 |
9 | 2126806 |
10 | 1140081 |
11 | 709618 |
12 | 46b929 |
13 | 30bc07 |
14 | 2196a5 |
15 | 177c06 |
hex | 116571 |
1140081 has 8 divisors (see below), whose sum is σ = 1561344. Its totient is φ = 739440.
The previous prime is 1139993. The next prime is 1140091. The reversal of 1140081 is 1800411.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1140081 - 218 = 877937 is a prime.
It is a super-2 number, since 2×11400812 = 2599569373122, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1140081.
It is not an unprimeable number, because it can be changed into a prime (1140091) 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, 5025 + ... + 5246.
It is an arithmetic number, because the mean of its divisors is an integer number (195168).
21140081 is an apocalyptic number.
It is an amenable number.
1140081 is a deficient number, since it is larger than the sum of its proper divisors (421263).
1140081 is a wasteful number, since it uses less digits than its factorization.
1140081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10311.
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 1140081 is about 1067.7457562547. The cubic root of 1140081 is about 104.4668667803.
Adding to 1140081 its reverse (1800411), we get a palindrome (2940492).
The spelling of 1140081 in words is "one million, one hundred forty thousand, eighty-one".
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