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44197 = 193229
BaseRepresentation
bin1010110010100101
32020121221
422302211
52403242
6540341
7242566
oct126245
966557
1044197
113022a
12216b1
131716a
141216d
15d167
hexaca5

44197 has 4 divisors (see below), whose sum is σ = 44620. Its totient is φ = 43776.

The previous prime is 44189. The next prime is 44201. The reversal of 44197 is 79144.

44197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 27556 + 16641 = 166^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 44197 - 23 = 44189 is a prime.

It is a Duffinian number.

44197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44497) 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, 79 + ... + 307.

It is an arithmetic number, because the mean of its divisors is an integer number (11155).

244197 is an apocalyptic number.

It is an amenable number.

44197 is a deficient number, since it is larger than the sum of its proper divisors (423).

44197 is a wasteful number, since it uses less digits than its factorization.

44197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its digits is 1008, while the sum is 25.

The square root of 44197 is about 210.2308255228. The cubic root of 44197 is about 35.3560926902.

It can be divided in two parts, 44 and 197, that multiplied together give a palindrome (8668).

The spelling of 44197 in words is "forty-four thousand, one hundred ninety-seven".

Divisors: 1 193 229 44197