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190044271 is a prime number
BaseRepresentation
bin10110101001111…
…01100001101111
3111020121020201201
423110331201233
5342122404041
630505150331
74465230634
oct1324754157
9436536651
10190044271
119830308a
125378b3a7
13304ac941
141b35018b
1511a3e631
hexb53d86f

190044271 has 2 divisors, whose sum is σ = 190044272. Its totient is φ = 190044270.

The previous prime is 190044269. The next prime is 190044299. The reversal of 190044271 is 172440091.

It is an a-pointer prime, because the next prime (190044299) can be obtained adding 190044271 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190044271 - 21 = 190044269 is a prime.

It is a super-2 number, since 2×1900442712 = 72233649879842882, which contains 22 as substring.

Together with 190044269, 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 (190044671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95022135 + 95022136.

It is an arithmetic number, because the mean of its divisors is an integer number (95022136).

Almost surely, 2190044271 is an apocalyptic number.

190044271 is a deficient number, since it is larger than the sum of its proper divisors (1).

190044271 is an equidigital number, since it uses as much as digits as its factorization.

190044271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 190044271 is about 13785.6545365100. The cubic root of 190044271 is about 574.9343552029.

The spelling of 190044271 in words is "one hundred ninety million, forty-four thousand, two hundred seventy-one".