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11942477 is a prime number
BaseRepresentation
bin101101100011…
…101001001101
3211110201222222
4231203221031
511024124402
61103545125
7203336501
oct55435115
924421888
1011942477
116817618
123bbb1a5
132621a71
14182c301
1510ad7a2
hexb63a4d

11942477 has 2 divisors, whose sum is σ = 11942478. Its totient is φ = 11942476.

The previous prime is 11942459. The next prime is 11942479. The reversal of 11942477 is 77424911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11464996 + 477481 = 3386^2 + 691^2 .

It is an emirp because it is prime and its reverse (77424911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11942477 - 210 = 11941453 is a prime.

Together with 11942479, 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 (11942479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5971238 + 5971239.

It is an arithmetic number, because the mean of its divisors is an integer number (5971239).

Almost surely, 211942477 is an apocalyptic number.

It is an amenable number.

11942477 is a deficient number, since it is larger than the sum of its proper divisors (1).

11942477 is an equidigital number, since it uses as much as digits as its factorization.

11942477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 11942477 is about 3455.7889113775. The cubic root of 11942477 is about 228.5764435470.

The spelling of 11942477 in words is "eleven million, nine hundred forty-two thousand, four hundred seventy-seven".