Search a number
-
+
2288239 is a prime number
BaseRepresentation
bin1000101110101001101111
311022020212121
420232221233
51041210424
6121013411
725310152
oct10565157
94266777
102288239
111323208
12924267
136216b5
14437c99
15302ee4
hex22ea6f

2288239 has 2 divisors, whose sum is σ = 2288240. Its totient is φ = 2288238.

The previous prime is 2288213. The next prime is 2288243. The reversal of 2288239 is 9328822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2288239 - 25 = 2288207 is a prime.

It is a super-2 number, since 2×22882392 = 10472075442242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2288249) 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 as a sum of consecutive naturals, namely, 1144119 + 1144120.

It is an arithmetic number, because the mean of its divisors is an integer number (1144120).

22288239 is an apocalyptic number.

2288239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2288239 is an equidigital number, since it uses as much as digits as its factorization.

2288239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 2288239 is about 1512.6926323612. The cubic root of 2288239 is about 131.7752334987.

The spelling of 2288239 in words is "two million, two hundred eighty-eight thousand, two hundred thirty-nine".