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11487793 is a prime number
BaseRepresentation
bin101011110100…
…101000110001
3210121122021211
4223310220301
510420102133
61050120121
7166434052
oct53645061
923548254
1011487793
116536a49
123a20041
1324c2b15
141750729
15101dbcd
hexaf4a31

11487793 has 2 divisors, whose sum is σ = 11487794. Its totient is φ = 11487792.

The previous prime is 11487769. The next prime is 11487809. The reversal of 11487793 is 39778411.

11487793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10543009 + 944784 = 3247^2 + 972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11487793 is a prime.

It is not a weakly prime, because it can be changed into another prime (11487193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5743896 + 5743897.

It is an arithmetic number, because the mean of its divisors is an integer number (5743897).

Almost surely, 211487793 is an apocalyptic number.

It is an amenable number.

11487793 is a deficient number, since it is larger than the sum of its proper divisors (1).

11487793 is an equidigital number, since it uses as much as digits as its factorization.

11487793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 11487793 is about 3389.3646897317. The cubic root of 11487793 is about 225.6379786274.

The spelling of 11487793 in words is "eleven million, four hundred eighty-seven thousand, seven hundred ninety-three".