Search a number
-
+
2763987 = 31948491
BaseRepresentation
bin1010100010110011010011
312012102110220
422202303103
51201421422
6135124123
732331162
oct12426323
95172426
102763987
111618696
12b13643
1375a0c5
1451d3d9
15398e5c
hex2a2cd3

2763987 has 8 divisors (see below), whose sum is σ = 3879360. Its totient is φ = 1745640.

The previous prime is 2763977. The next prime is 2763989. The reversal of 2763987 is 7893672.

2763987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2763987 - 212 = 2759891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2763989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24189 + ... + 24302.

It is an arithmetic number, because the mean of its divisors is an integer number (484920).

22763987 is an apocalyptic number.

2763987 is a deficient number, since it is larger than the sum of its proper divisors (1115373).

2763987 is a wasteful number, since it uses less digits than its factorization.

2763987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48513.

The product of its digits is 127008, while the sum is 42.

The square root of 2763987 is about 1662.5242855369. The cubic root of 2763987 is about 140.3390929882.

The spelling of 2763987 in words is "two million, seven hundred sixty-three thousand, nine hundred eighty-seven".

Divisors: 1 3 19 57 48491 145473 921329 2763987