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11401471 is a prime number
BaseRepresentation
bin101011011111…
…100011111111
3210110020212201
4223133203333
510404321341
61044212331
7165624304
oct53374377
923406781
1011401471
116488104
12399a0a7
132492743
14172b0ab
151003331
hexadf8ff

11401471 has 2 divisors, whose sum is σ = 11401472. Its totient is φ = 11401470.

The previous prime is 11401451. The next prime is 11401483. The reversal of 11401471 is 17410411.

11401471 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11401471 - 29 = 11400959 is a prime.

It is a super-3 number, since 3×114014713 (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11401451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700735 + 5700736.

It is an arithmetic number, because the mean of its divisors is an integer number (5700736).

Almost surely, 211401471 is an apocalyptic number.

11401471 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401471 is an equidigital number, since it uses as much as digits as its factorization.

11401471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 11401471 is about 3376.6064324999. The cubic root of 11401471 is about 225.0713913373.

Adding to 11401471 its reverse (17410411), we get a palindrome (28811882).

The spelling of 11401471 in words is "eleven million, four hundred one thousand, four hundred seventy-one".