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44253431 = 172603143
BaseRepresentation
bin1010100011010…
…0000011110111
310002021022021222
42220310003313
542312102211
64220300555
71045101515
oct250640367
9102238258
1044253431
1122a86292
12129a175b
139225881
145c3d4b5
153d421db
hex2a340f7

44253431 has 4 divisors (see below), whose sum is σ = 46856592. Its totient is φ = 41650272.

The previous prime is 44253427. The next prime is 44253467. The reversal of 44253431 is 13435244.

44253431 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.

It is not a de Polignac number, because 44253431 - 22 = 44253427 is a prime.

It is a super-2 number, since 2×442534312 = 3916732310543522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44253431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44253401) 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, 1301555 + ... + 1301588.

It is an arithmetic number, because the mean of its divisors is an integer number (11714148).

Almost surely, 244253431 is an apocalyptic number.

44253431 is a deficient number, since it is larger than the sum of its proper divisors (2603161).

44253431 is a wasteful number, since it uses less digits than its factorization.

44253431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603160.

The product of its digits is 5760, while the sum is 26.

The square root of 44253431 is about 6652.3252325785. The cubic root of 44253431 is about 353.7113391555.

Adding to 44253431 its reverse (13435244), we get a palindrome (57688675).

The spelling of 44253431 in words is "forty-four million, two hundred fifty-three thousand, four hundred thirty-one".

Divisors: 1 17 2603143 44253431