Base | Representation |
---|---|
bin | 1011011001010000100011 |
3 | 12121202110020 |
4 | 23121100203 |
5 | 1231041133 |
6 | 144004523 |
7 | 34250403 |
oct | 13312043 |
9 | 5552406 |
10 | 2987043 |
11 | 1760234 |
12 | 1000743 |
13 | 8077a7 |
14 | 57a803 |
15 | 3e00b3 |
hex | 2d9423 |
2987043 has 8 divisors (see below), whose sum is σ = 4005456. Its totient is φ = 1980000.
The previous prime is 2987021. The next prime is 2987057. The reversal of 2987043 is 3407892.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2987043 - 26 = 2986979 is a prime.
It is a d-powerful number, because it can be written as 2 + 92 + 87 + 77 + 0 + 48 + 36 .
It is a junction number, because it is equal to n+sod(n) for n = 2986995 and 2987013.
It is not an unprimeable number, because it can be changed into a prime (2987143) 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, 2208 + ... + 3293.
It is an arithmetic number, because the mean of its divisors is an integer number (500682).
22987043 is an apocalyptic number.
2987043 is a deficient number, since it is larger than the sum of its proper divisors (1018413).
2987043 is a wasteful number, since it uses less digits than its factorization.
2987043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5685.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 2987043 is about 1728.3063964471. The cubic root of 2987043 is about 144.0170215218.
The spelling of 2987043 in words is "two million, nine hundred eighty-seven thousand, forty-three".
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