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11924149 is a prime number
BaseRepresentation
bin101101011111…
…001010110101
3211102210212011
4231133022311
511023033044
61103324221
7203232166
oct55371265
924383764
1011924149
116804876
123bb0671
132616613
14182576d
1510a8134
hexb5f2b5

11924149 has 2 divisors, whose sum is σ = 11924150. Its totient is φ = 11924148.

The previous prime is 11924147. The next prime is 11924167. The reversal of 11924149 is 94142911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 4028049 = 2810^2 + 2007^2 .

It is a cyclic number.

It is not a de Polignac number, because 11924149 - 21 = 11924147 is a prime.

Together with 11924147, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11924149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11924141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5962074 + 5962075.

It is an arithmetic number, because the mean of its divisors is an integer number (5962075).

Almost surely, 211924149 is an apocalyptic number.

It is an amenable number.

11924149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11924149 is an equidigital number, since it uses as much as digits as its factorization.

11924149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 11924149 is about 3453.1361108419. The cubic root of 11924149 is about 228.4594523509.

The spelling of 11924149 in words is "eleven million, nine hundred twenty-four thousand, one hundred forty-nine".