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44023431 = 314674477
BaseRepresentation
bin1010011111101…
…1111010000111
310001211121210110
42213323322013
542232222211
64211324103
71043123124
oct247737207
9101747713
1044023431
1122939501
12128b0633
139174c8a
145bbd74b
153ce8ea6
hex29fbe87

44023431 has 4 divisors (see below), whose sum is σ = 58697912. Its totient is φ = 29348952.

The previous prime is 44023423. The next prime is 44023433. The reversal of 44023431 is 13432044.

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

It is not a de Polignac number, because 44023431 - 23 = 44023423 is a prime.

It is a super-2 number, since 2×440234312 = 3876124954023522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44023398 and 44023407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44023433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7337236 + ... + 7337241.

It is an arithmetic number, because the mean of its divisors is an integer number (14674478).

Almost surely, 244023431 is an apocalyptic number.

44023431 is a deficient number, since it is larger than the sum of its proper divisors (14674481).

44023431 is a wasteful number, since it uses less digits than its factorization.

44023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674480.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 44023431 is about 6635.0155237196. The cubic root of 44023431 is about 353.0974887696.

Adding to 44023431 its reverse (13432044), we get a palindrome (57455475).

It can be divided in two parts, 440 and 23431, that added together give a triangular number (23871 = T218).

The spelling of 44023431 in words is "forty-four million, twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 14674477 44023431