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228058189 is a prime number
BaseRepresentation
bin11011001011111…
…10010001001101
3120220010120000121
431211332101031
5431340330224
634344024541
75436314452
oct1545762115
9526116017
10228058189
11107807547
1264462151
133832c498
1422407829
151504cbe4
hexd97e44d

228058189 has 2 divisors, whose sum is σ = 228058190. Its totient is φ = 228058188.

The previous prime is 228058183. The next prime is 228058249. The reversal of 228058189 is 981850822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180902500 + 47155689 = 13450^2 + 6867^2 .

It is a cyclic number.

It is not a de Polignac number, because 228058189 - 221 = 225961037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228058183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114029094 + 114029095.

It is an arithmetic number, because the mean of its divisors is an integer number (114029095).

Almost surely, 2228058189 is an apocalyptic number.

It is an amenable number.

228058189 is a deficient number, since it is larger than the sum of its proper divisors (1).

228058189 is an equidigital number, since it uses as much as digits as its factorization.

228058189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 228058189 is about 15101.5955779514. The cubic root of 228058189 is about 610.9634412478.

The spelling of 228058189 in words is "two hundred twenty-eight million, fifty-eight thousand, one hundred eighty-nine".