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2438239 is a prime number
BaseRepresentation
bin1001010011010001011111
311120212122011
421103101133
51111010424
6124132051
726503366
oct11232137
94525564
102438239
111415981
12997027
13674a5b
144767dd
15332694
hex25345f

2438239 has 2 divisors, whose sum is σ = 2438240. Its totient is φ = 2438238.

The previous prime is 2438203. The next prime is 2438281. The reversal of 2438239 is 9328342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2438239 - 213 = 2430047 is a prime.

It is a super-2 number, since 2×24382392 = 11890018842242, which contains 22 as substring.

It is a d-powerful number, because it can be written as 217 + 43 + 33 + 85 + 221 + 311 + 9 .

It is a self number, because there is not a number n which added to its sum of digits gives 2438239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2438339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219119 + 1219120.

It is an arithmetic number, because the mean of its divisors is an integer number (1219120).

22438239 is an apocalyptic number.

2438239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2438239 is an equidigital number, since it uses as much as digits as its factorization.

2438239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 2438239 is about 1561.4861510753. The cubic root of 2438239 is about 134.5939145916.

The spelling of 2438239 in words is "two million, four hundred thirty-eight thousand, two hundred thirty-nine".