Base | Representation |
---|---|
bin | 1011011001010000100101 |
3 | 12121202110022 |
4 | 23121100211 |
5 | 1231041140 |
6 | 144004525 |
7 | 34250405 |
oct | 13312045 |
9 | 5552408 |
10 | 2987045 |
11 | 1760236 |
12 | 1000745 |
13 | 8077a9 |
14 | 57a805 |
15 | 3e00b5 |
hex | 2d9425 |
2987045 has 4 divisors (see below), whose sum is σ = 3584460. Its totient is φ = 2389632.
The previous prime is 2987021. The next prime is 2987057. The reversal of 2987045 is 5407892.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 320356 + 2666689 = 566^2 + 1633^2 .
It is a cyclic number.
It is not a de Polignac number, because 2987045 - 214 = 2970661 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2986996 and 2987014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298700 + ... + 298709.
It is an arithmetic number, because the mean of its divisors is an integer number (896115).
22987045 is an apocalyptic number.
It is an amenable number.
2987045 is a deficient number, since it is larger than the sum of its proper divisors (597415).
2987045 is an equidigital number, since it uses as much as digits as its factorization.
2987045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 597414.
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 2987045 is about 1728.3069750481. The cubic root of 2987045 is about 144.0170536644.
The spelling of 2987045 in words is "two million, nine hundred eighty-seven thousand, forty-five".
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