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44103731 = 719231563
BaseRepresentation
bin1010100000111…
…1100000110011
310001222200221112
42220033200303
542242304411
64213143535
71043606210
oct250174063
9101880845
1044103731
1122993871
121292abab
1391a26a9
145c00b07
153d12b8b
hex2a0f833

44103731 has 24 divisors (see below), whose sum is σ = 55010304. Its totient is φ = 34596720.

The previous prime is 44103721. The next prime is 44103743. The reversal of 44103731 is 13730144.

It is not a de Polignac number, because 44103731 - 214 = 44087347 is a prime.

It is a super-2 number, since 2×441037312 = 3890278176240722, 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 = 44103697 and 44103706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44103701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78056 + ... + 78618.

It is an arithmetic number, because the mean of its divisors is an integer number (2292096).

Almost surely, 244103731 is an apocalyptic number.

44103731 is a deficient number, since it is larger than the sum of its proper divisors (10906573).

44103731 is a wasteful number, since it uses less digits than its factorization.

44103731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 44103731 is about 6641.0639960777. The cubic root of 44103731 is about 353.3120450170.

Adding to 44103731 its reverse (13730144), we get a palindrome (57833875).

The spelling of 44103731 in words is "forty-four million, one hundred three thousand, seven hundred thirty-one".

Divisors: 1 7 19 31 133 217 361 563 589 2527 3941 4123 10697 11191 17453 74879 78337 122171 203243 331607 1422701 2321249 6300533 44103731