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11106409 is a prime number
BaseRepresentation
bin101010010111…
…100001101001
3202220021010111
4222113201221
510320401114
61034014321
7163255126
oct52274151
922807114
1011106409
1162a6456
1238773a1
1323bb352
14169174d
15e95bc4
hexa97869

11106409 has 2 divisors, whose sum is σ = 11106410. Its totient is φ = 11106408.

The previous prime is 11106397. The next prime is 11106419. The reversal of 11106409 is 90460111.

11106409 is digitally balanced in base 2 and base 3, because in such bases 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., 10112400 + 994009 = 3180^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 11106409 - 25 = 11106377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11106409.

It is not a weakly prime, because it can be changed into another prime (11106419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553204 + 5553205.

It is an arithmetic number, because the mean of its divisors is an integer number (5553205).

Almost surely, 211106409 is an apocalyptic number.

It is an amenable number.

11106409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11106409 is an equidigital number, since it uses as much as digits as its factorization.

11106409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11106409 is about 3332.6279420301. The cubic root of 11106409 is about 223.1128347716.

The spelling of 11106409 in words is "eleven million, one hundred six thousand, four hundred nine".