Search a number
-
+
2492289 = 34291061
BaseRepresentation
bin1001100000011110000001
311200121210000
421200132001
51114223124
6125230213
730120102
oct11403601
94617700
102492289
111452548
12a02369
13693537
1448c3a9
153436c9
hex260781

2492289 has 20 divisors (see below), whose sum is σ = 3855060. Its totient is φ = 1602720.

The previous prime is 2492279. The next prime is 2492299. The reversal of 2492289 is 9822942.

It is an interprime number because it is at equal distance from previous prime (2492279) and next prime (2492299).

It can be written as a sum of positive squares in 2 ways, for example, as 1476225 + 1016064 = 1215^2 + 1008^2 .

It is not a de Polignac number, because 2492289 - 29 = 2491777 is a prime.

It is a Curzon number.

2492289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2492239) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1819 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (192753).

22492289 is an apocalyptic number.

2492289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2492289 is a deficient number, since it is larger than the sum of its proper divisors (1362771).

2492289 is a wasteful number, since it uses less digits than its factorization.

2492289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1093 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 2492289 is about 1578.6985145999. The cubic root of 2492289 is about 135.5811979569.

The spelling of 2492289 in words is "two million, four hundred ninety-two thousand, two hundred eighty-nine".

Divisors: 1 3 9 27 29 81 87 261 783 1061 2349 3183 9549 28647 30769 85941 92307 276921 830763 2492289