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11440141 = 37309193
BaseRepresentation
bin101011101001…
…000000001101
3210112012220221
4223221000031
510412041031
61045111341
7166145116
oct53510015
923465827
1011440141
116504169
1239b8551
1324a721b
14173b20d
15100ea11
hexae900d

11440141 has 4 divisors (see below), whose sum is σ = 11749372. Its totient is φ = 11130912.

The previous prime is 11440127. The next prime is 11440151. The reversal of 11440141 is 14104411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10530025 + 910116 = 3245^2 + 954^2 .

It is a cyclic number.

It is not a de Polignac number, because 11440141 - 29 = 11439629 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 (11440151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154560 + ... + 154633.

It is an arithmetic number, because the mean of its divisors is an integer number (2937343).

Almost surely, 211440141 is an apocalyptic number.

It is an amenable number.

11440141 is a deficient number, since it is larger than the sum of its proper divisors (309231).

11440141 is an equidigital number, since it uses as much as digits as its factorization.

11440141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309230.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 11440141 is about 3382.3277487553. The cubic root of 11440141 is about 225.3255599849.

Adding to 11440141 its reverse (14104411), we get a palindrome (25544552).

The spelling of 11440141 in words is "eleven million, four hundred forty thousand, one hundred forty-one".

Divisors: 1 37 309193 11440141