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11061205 = 52212241
BaseRepresentation
bin101010001100…
…011111010101
3202210222010021
4222030133111
510312424310
61033025141
7163006261
oct52143725
922728107
1011061205
1162754a1
1238551b1
1323a38bc
14167d0a1
15e875da
hexa8c7d5

11061205 has 4 divisors (see below), whose sum is σ = 13273452. Its totient is φ = 8848960.

The previous prime is 11061199. The next prime is 11061221. The reversal of 11061205 is 50216011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50216011 = 172953883.

It can be written as a sum of positive squares in 2 ways, for example, as 7409284 + 3651921 = 2722^2 + 1911^2 .

It is not a de Polignac number, because 11061205 - 27 = 11061077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106116 + ... + 1106125.

It is an arithmetic number, because the mean of its divisors is an integer number (3318363).

Almost surely, 211061205 is an apocalyptic number.

It is an amenable number.

11061205 is a deficient number, since it is larger than the sum of its proper divisors (2212247).

11061205 is an equidigital number, since it uses as much as digits as its factorization.

11061205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212246.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 11061205 is about 3325.8389918936. The cubic root of 11061205 is about 222.8097272994.

Adding to 11061205 its reverse (50216011), we get a palindrome (61277216).

The spelling of 11061205 in words is "eleven million, sixty-one thousand, two hundred five".

Divisors: 1 5 2212241 11061205