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188344061 is a prime number
BaseRepresentation
bin10110011100111…
…10011011111101
3111010101212110222
423032132123331
5341204002221
630404511125
74444620023
oct1316363375
9433355428
10188344061
1197351754
12530ab4a5
1330035ab9
141b02a713
15118059ab
hexb39e6fd

188344061 has 2 divisors, whose sum is σ = 188344062. Its totient is φ = 188344060.

The previous prime is 188344019. The next prime is 188344063. The reversal of 188344061 is 160443881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133864900 + 54479161 = 11570^2 + 7381^2 .

It is a cyclic number.

It is not a de Polignac number, because 188344061 - 26 = 188343997 is a prime.

Together with 188344063, 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 (188344063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94172030 + 94172031.

It is an arithmetic number, because the mean of its divisors is an integer number (94172031).

Almost surely, 2188344061 is an apocalyptic number.

It is an amenable number.

188344061 is a deficient number, since it is larger than the sum of its proper divisors (1).

188344061 is an equidigital number, since it uses as much as digits as its factorization.

188344061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 188344061 is about 13723.8500793327. The cubic root of 188344061 is about 573.2146878689.

The spelling of 188344061 in words is "one hundred eighty-eight million, three hundred forty-four thousand, sixty-one".