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234673189 is a prime number
BaseRepresentation
bin11011111110011…
…01010000100101
3121100120122002121
431333031100211
5440034020224
635141505541
75546455252
oct1577152045
9540518077
10234673189
11110515493
12667122b1
133980739a
142324a429
1515907be4
hexdfcd425

234673189 has 2 divisors, whose sum is σ = 234673190. Its totient is φ = 234673188.

The previous prime is 234673183. The next prime is 234673207. The reversal of 234673189 is 981376432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233937025 + 736164 = 15295^2 + 858^2 .

It is a cyclic number.

It is not a de Polignac number, because 234673189 - 227 = 100455461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234673183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117336594 + 117336595.

It is an arithmetic number, because the mean of its divisors is an integer number (117336595).

Almost surely, 2234673189 is an apocalyptic number.

It is an amenable number.

234673189 is a deficient number, since it is larger than the sum of its proper divisors (1).

234673189 is an equidigital number, since it uses as much as digits as its factorization.

234673189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 234673189 is about 15319.0466087156. The cubic root of 234673189 is about 616.8143823718.

The spelling of 234673189 in words is "two hundred thirty-four million, six hundred seventy-three thousand, one hundred eighty-nine".