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11444861 = 14298009
BaseRepresentation
bin101011101010…
…001001111101
3210112110101202
4223222021331
510412213421
61045145245
7166164641
oct53521175
923473352
1011444861
11650776a
1239bb225
1324a940c
14173cc21
15101110b
hexaea27d

11444861 has 4 divisors (see below), whose sum is σ = 11454300. Its totient is φ = 11435424.

The previous prime is 11444833. The next prime is 11444887. The reversal of 11444861 is 16844411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 7812025 = 1906^2 + 2795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11444861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444801) 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, 2576 + ... + 5433.

It is an arithmetic number, because the mean of its divisors is an integer number (2863575).

Almost surely, 211444861 is an apocalyptic number.

It is an amenable number.

11444861 is a deficient number, since it is larger than the sum of its proper divisors (9439).

11444861 is an equidigital number, since it uses as much as digits as its factorization.

11444861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9438.

The product of its digits is 3072, while the sum is 29.

The square root of 11444861 is about 3383.0254211283. The cubic root of 11444861 is about 225.3565441722.

The spelling of 11444861 in words is "eleven million, four hundred forty-four thousand, eight hundred sixty-one".

Divisors: 1 1429 8009 11444861