Base | Representation |
---|---|
bin | 11110111010101011111 |
3 | 1220110200202 |
4 | 3313111133 |
5 | 224404322 |
6 | 33414115 |
7 | 11416415 |
oct | 3672537 |
9 | 1813622 |
10 | 1013087 |
11 | 632169 |
12 | 40a33b |
13 | 29617a |
14 | 1c52b5 |
15 | 150292 |
hex | f755f |
1013087 has 4 divisors (see below), whose sum is σ = 1024560. Its totient is φ = 1001616.
The previous prime is 1013063. The next prime is 1013143. The reversal of 1013087 is 7803101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7803101 = 739 ⋅10559.
It is a cyclic number.
It is not a de Polignac number, because 1013087 - 28 = 1012831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1013687) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5603 + ... + 5780.
It is an arithmetic number, because the mean of its divisors is an integer number (256140).
21013087 is an apocalyptic number.
1013087 is a deficient number, since it is larger than the sum of its proper divisors (11473).
1013087 is an equidigital number, since it uses as much as digits as its factorization.
1013087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11472.
The product of its (nonzero) digits is 168, while the sum is 20.
The square root of 1013087 is about 1006.5222302562. The cubic root of 1013087 is about 100.4343440544.
Adding to 1013087 its reverse (7803101), we get a palindrome (8816188).
The spelling of 1013087 in words is "one million, thirteen thousand, eighty-seven".
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