Base | Representation |
---|---|
bin | 1010101110110010011111 |
3 | 12021220211102 |
4 | 22232302133 |
5 | 1210004322 |
6 | 140143315 |
7 | 32624264 |
oct | 12566237 |
9 | 5256742 |
10 | 2813087 |
11 | 1651572 |
12 | b37b3b |
13 | 776564 |
14 | 53326b |
15 | 3a8792 |
hex | 2aec9f |
2813087 has 4 divisors (see below), whose sum is σ = 2910120. Its totient is φ = 2716056.
The previous prime is 2813077. The next prime is 2813099. The reversal of 2813087 is 7803182.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2813087 - 24 = 2813071 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 97003 = 2813087 / (2 + 8 + 1 + 3 + 0 + 8 + 7).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2813047) 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, 48473 + ... + 48530.
It is an arithmetic number, because the mean of its divisors is an integer number (727530).
22813087 is an apocalyptic number.
2813087 is a deficient number, since it is larger than the sum of its proper divisors (97033).
2813087 is an equidigital number, since it uses as much as digits as its factorization.
2813087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97032.
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 2813087 is about 1677.2259835812. The cubic root of 2813087 is about 141.1652238828.
The spelling of 2813087 in words is "two million, eight hundred thirteen thousand, eighty-seven".
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