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189659201 is a prime number
BaseRepresentation
bin10110100110111…
…11100001000001
3111012212200111212
423103133201001
5342023043301
630453015505
74462035164
oct1323374101
9435780455
10189659201
119806a846
1253624595
13303a65a4
141b28dadb
15119b54bb
hexb4df841

189659201 has 2 divisors, whose sum is σ = 189659202. Its totient is φ = 189659200.

The previous prime is 189659179. The next prime is 189659203. The reversal of 189659201 is 102956981.

It is a happy number.

189659201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188348176 + 1311025 = 13724^2 + 1145^2 .

It is a cyclic number.

It is not a de Polignac number, because 189659201 - 26 = 189659137 is a prime.

It is a super-2 number, since 2×1896592012 = 71941225047916802, which contains 22 as substring.

Together with 189659203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (189659203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94829600 + 94829601.

It is an arithmetic number, because the mean of its divisors is an integer number (94829601).

Almost surely, 2189659201 is an apocalyptic number.

It is an amenable number.

189659201 is a deficient number, since it is larger than the sum of its proper divisors (1).

189659201 is an equidigital number, since it uses as much as digits as its factorization.

189659201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 189659201 is about 13771.6811246848. The cubic root of 189659201 is about 574.5457796581.

The spelling of 189659201 in words is "one hundred eighty-nine million, six hundred fifty-nine thousand, two hundred one".