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11472761 is a prime number
BaseRepresentation
bin101011110000…
…111101111001
3210120212200002
4223300331321
510414112021
61045522345
7166342166
oct53607571
923525602
1011472761
116526723
123a133b5
1324b9021
14174906d
15101950b
hexaf0f79

11472761 has 2 divisors, whose sum is σ = 11472762. Its totient is φ = 11472760.

The previous prime is 11472757. The next prime is 11472763. The reversal of 11472761 is 16727411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8667136 + 2805625 = 2944^2 + 1675^2 .

It is an emirp because it is prime and its reverse (16727411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11472761 - 22 = 11472757 is a prime.

It is a Sophie Germain prime.

Together with 11472763, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11472763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5736380 + 5736381.

It is an arithmetic number, because the mean of its divisors is an integer number (5736381).

Almost surely, 211472761 is an apocalyptic number.

It is an amenable number.

11472761 is a deficient number, since it is larger than the sum of its proper divisors (1).

11472761 is an equidigital number, since it uses as much as digits as its factorization.

11472761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 29.

The square root of 11472761 is about 3387.1464391136. The cubic root of 11472761 is about 225.5395184451.

The spelling of 11472761 in words is "eleven million, four hundred seventy-two thousand, seven hundred sixty-one".