Base | Representation |
---|---|
bin | 100011110111… |
… | …011010011101 |
3 | 122200200010201 |
4 | 203313122131 |
5 | 4401331023 |
6 | 533303501 |
7 | 142626055 |
oct | 43673235 |
9 | 18620121 |
10 | 9402013 |
11 | 5341965 |
12 | 3194b91 |
13 | 1c4262a |
14 | 136a565 |
15 | c5abad |
hex | 8f769d |
9402013 has 4 divisors (see below), whose sum is σ = 9488380. Its totient is φ = 9315648.
The previous prime is 9402011. The next prime is 9402023. The reversal of 9402013 is 3102049.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3102049 = 773 ⋅4013.
It can be written as a sum of positive squares in 2 ways, for example, as 2442969 + 6959044 = 1563^2 + 2638^2 .
It is a cyclic number.
It is not a de Polignac number, because 9402013 - 21 = 9402011 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 (9402011) 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, 43020 + ... + 43237.
It is an arithmetic number, because the mean of its divisors is an integer number (2372095).
Almost surely, 29402013 is an apocalyptic number.
It is an amenable number.
9402013 is a deficient number, since it is larger than the sum of its proper divisors (86367).
9402013 is a wasteful number, since it uses less digits than its factorization.
9402013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86366.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 9402013 is about 3066.2702098804. The cubic root of 9402013 is about 211.0604934252.
The spelling of 9402013 in words is "nine million, four hundred two thousand, thirteen".
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