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228589453 is a prime number
BaseRepresentation
bin11011001111111…
…11111110001101
3120221010112210001
431213333332031
5432004330303
634403244301
75443656361
oct1547777615
9527115701
10228589453
1110803a704
1264679691
1338487241
14225052a1
151510531d
hexd9fff8d

228589453 has 2 divisors, whose sum is σ = 228589454. Its totient is φ = 228589452.

The previous prime is 228589451. The next prime is 228589457. The reversal of 228589453 is 354985822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205578244 + 23011209 = 14338^2 + 4797^2 .

It is a cyclic number.

It is not a de Polignac number, because 228589453 - 21 = 228589451 is a prime.

Together with 228589451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228589451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114294726 + 114294727.

It is an arithmetic number, because the mean of its divisors is an integer number (114294727).

Almost surely, 2228589453 is an apocalyptic number.

It is an amenable number.

228589453 is a deficient number, since it is larger than the sum of its proper divisors (1).

228589453 is an equidigital number, since it uses as much as digits as its factorization.

228589453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 46.

The square root of 228589453 is about 15119.1750105619. The cubic root of 228589453 is about 611.4374886374.

The spelling of 228589453 in words is "two hundred twenty-eight million, five hundred eighty-nine thousand, four hundred fifty-three".