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228959 is a prime number
BaseRepresentation
bin110111111001011111
3102122001222
4313321133
524311314
64523555
71642343
oct677137
9378058
10228959
11147025
12b05bb
13802a3
145d623
1547c8e
hex37e5f

228959 has 2 divisors, whose sum is σ = 228960. Its totient is φ = 228958.

The previous prime is 228953. The next prime is 228961. The reversal of 228959 is 959822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228959 - 212 = 224863 is a prime.

Together with 228961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114479 + 114480.

It is an arithmetic number, because the mean of its divisors is an integer number (114480).

2228959 is an apocalyptic number.

228959 is a deficient number, since it is larger than the sum of its proper divisors (1).

228959 is an equidigital number, since it uses as much as digits as its factorization.

228959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 228959 is about 478.4966039587. The cubic root of 228959 is about 61.1766802805.

The spelling of 228959 in words is "two hundred twenty-eight thousand, nine hundred fifty-nine".