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11128141 = 29383729
BaseRepresentation
bin101010011100…
…110101001101
3202221100221101
4222130311031
510322100031
61034303101
7163405363
oct52346515
922840841
1011128141
116310812
123887a91
1323c81cb
141699633
15e9c361
hexa9cd4d

11128141 has 4 divisors (see below), whose sum is σ = 11511900. Its totient is φ = 10744384.

The previous prime is 11128133. The next prime is 11128147. The reversal of 11128141 is 14182111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14182111 = 53267587.

It can be written as a sum of positive squares in 2 ways, for example, as 2449225 + 8678916 = 1565^2 + 2946^2 .

It is not a de Polignac number, because 11128141 - 23 = 11128133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11128147) by changing a digit.

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, 191836 + ... + 191893.

It is an arithmetic number, because the mean of its divisors is an integer number (2877975).

Almost surely, 211128141 is an apocalyptic number.

It is an amenable number.

11128141 is a deficient number, since it is larger than the sum of its proper divisors (383759).

11128141 is an equidigital number, since it uses as much as digits as its factorization.

11128141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383758.

The product of its digits is 64, while the sum is 19.

The square root of 11128141 is about 3335.8868386083. The cubic root of 11128141 is about 223.2582621871.

The spelling of 11128141 in words is "eleven million, one hundred twenty-eight thousand, one hundred forty-one".

Divisors: 1 29 383729 11128141