Base | Representation |
---|---|
bin | 11111101111011010001 |
3 | 1221211201112 |
4 | 3331323101 |
5 | 231240311 |
6 | 34143105 |
7 | 11561210 |
oct | 3757321 |
9 | 1854645 |
10 | 1040081 |
11 | 650479 |
12 | 421a95 |
13 | 2a5543 |
14 | 1d1077 |
15 | 15828b |
hex | fded1 |
1040081 has 8 divisors (see below), whose sum is σ = 1227264. Its totient is φ = 862560.
The previous prime is 1040071. The next prime is 1040089. The reversal of 1040081 is 1800401.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1040081 - 214 = 1023697 is a prime.
It is a super-2 number, since 2×10400812 = 2163536973122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1040089) 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, 2180 + ... + 2613.
It is an arithmetic number, because the mean of its divisors is an integer number (153408).
21040081 is an apocalyptic number.
It is an amenable number.
1040081 is a deficient number, since it is larger than the sum of its proper divisors (187183).
1040081 is an equidigital number, since it uses as much as digits as its factorization.
1040081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4831.
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 1040081 is about 1019.8436154627. The cubic root of 1040081 is about 101.3185706314.
Adding to 1040081 its reverse (1800401), we get a palindrome (2840482).
The spelling of 1040081 in words is "one million, forty thousand, eighty-one".
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