Search a number
-
+
3082987673 = 7213427421
BaseRepresentation
bin1011011111000010…
…1010100010011001
321221212012000000122
42313300222202121
522303221101143
61225531043025
7136253651153
oct26760524231
97855160018
103082987673
1113422a22a7
127205a0475
133a194c77c
14213649ad3
151309d7c68
hexb7c2a899

3082987673 has 4 divisors (see below), whose sum is σ = 3083422308. Its totient is φ = 3082553040.

The previous prime is 3082987669. The next prime is 3082987681. The reversal of 3082987673 is 3767892803.

It is a happy number.

3082987673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3767892803 = 12323305761.

It can be written as a sum of positive squares in 2 ways, for example, as 1449857929 + 1633129744 = 38077^2 + 40412^2 .

It is a cyclic number.

It is not a de Polignac number, because 3082987673 - 22 = 3082987669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3082987693) 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, 206498 + ... + 220923.

It is an arithmetic number, because the mean of its divisors is an integer number (770855577).

Almost surely, 23082987673 is an apocalyptic number.

It is an amenable number.

3082987673 is a deficient number, since it is larger than the sum of its proper divisors (434635).

3082987673 is an equidigital number, since it uses as much as digits as its factorization.

3082987673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434634.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The square root of 3082987673 is about 55524.6582429825. The cubic root of 3082987673 is about 1455.4275654038.

The spelling of 3082987673 in words is "three billion, eighty-two million, nine hundred eighty-seven thousand, six hundred seventy-three".

Divisors: 1 7213 427421 3082987673