Search a number
-
+
2942867 = 7194093
BaseRepresentation
bin1011001110011110010011
312112111212002
423032132103
51223132432
6143024215
734004534
oct13163623
95474762
102942867
111730024
12b9b06b
137c0655
1456868b
153d1e62
hex2ce793

2942867 has 4 divisors (see below), whose sum is σ = 2947680. Its totient is φ = 2938056.

The previous prime is 2942843. The next prime is 2942881. The reversal of 2942867 is 7682492.

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 2942867 - 210 = 2941843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2942867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328 + ... + 2765.

It is an arithmetic number, because the mean of its divisors is an integer number (736920).

22942867 is an apocalyptic number.

2942867 is a deficient number, since it is larger than the sum of its proper divisors (4813).

2942867 is an equidigital number, since it uses as much as digits as its factorization.

2942867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812.

The product of its digits is 48384, while the sum is 38.

The square root of 2942867 is about 1715.4786504064. The cubic root of 2942867 is about 143.3035266426.

The spelling of 2942867 in words is "two million, nine hundred forty-two thousand, eight hundred sixty-seven".

Divisors: 1 719 4093 2942867