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11872241 is a prime number
BaseRepresentation
bin101101010010…
…011111110001
3211100011122122
4231102133301
511014402431
61102244025
7202624643
oct55223761
924304578
1011872241
116779877
123b86615
1325c8ac4
141810893
151097a7b
hexb527f1

11872241 has 2 divisors, whose sum is σ = 11872242. Its totient is φ = 11872240.

The previous prime is 11872213. The next prime is 11872243. The reversal of 11872241 is 14227811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9740641 + 2131600 = 3121^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 11872241 - 26 = 11872177 is a prime.

Together with 11872243, 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 11872241.

It is not a weakly prime, because it can be changed into another prime (11872243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936120 + 5936121.

It is an arithmetic number, because the mean of its divisors is an integer number (5936121).

Almost surely, 211872241 is an apocalyptic number.

It is an amenable number.

11872241 is a deficient number, since it is larger than the sum of its proper divisors (1).

11872241 is an equidigital number, since it uses as much as digits as its factorization.

11872241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 26.

The square root of 11872241 is about 3445.6118469729. The cubic root of 11872241 is about 228.1274615610.

The spelling of 11872241 in words is "eleven million, eight hundred seventy-two thousand, two hundred forty-one".