Base | Representation |
---|---|
bin | 11111101111011010000 |
3 | 1221211201111 |
4 | 3331323100 |
5 | 231240310 |
6 | 34143104 |
7 | 11561206 |
oct | 3757320 |
9 | 1854644 |
10 | 1040080 |
11 | 650478 |
12 | 421a94 |
13 | 2a5542 |
14 | 1d1076 |
15 | 15828a |
hex | fded0 |
1040080 has 20 divisors (see below), whose sum is σ = 2418372. Its totient is φ = 416000.
The previous prime is 1040071. The next prime is 1040089. The reversal of 1040080 is 800401.
It is an interprime number because it is at equal distance from previous prime (1040071) and next prime (1040089).
It can be written as a sum of positive squares in 2 ways, for example, as 141376 + 898704 = 376^2 + 948^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a self number, because there is not a number n which added to its sum of digits gives 1040080.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1040089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6421 + ... + 6580.
21040080 is an apocalyptic number.
1040080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1040080 is an abundant number, since it is smaller than the sum of its proper divisors (1378292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1040080 is a wasteful number, since it uses less digits than its factorization.
1040080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13014 (or 13008 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 1040080 is about 1019.8431251913. The cubic root of 1040080 is about 101.3185381600.
Adding to 1040080 its reverse (800401), we get a palindrome (1840481).
The spelling of 1040080 in words is "one million, forty thousand, eighty".
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