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44423131 = 414723053
BaseRepresentation
bin1010100101110…
…1011111011011
310002120221002011
42221131133123
542333020011
64224050351
71046406334
oct251353733
9102527064
1044423131
1123091835
1212a639b7
139284b9c
145c8528b
153d77621
hex2a5d7db

44423131 has 8 divisors (see below), whose sum is σ = 46476864. Its totient is φ = 42415680.

The previous prime is 44423117. The next prime is 44423147. The reversal of 44423131 is 13132444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44423131 - 29 = 44422619 is a prime.

It is a super-2 number, since 2×444231312 = 3946829135686322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44423101) 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 7 ways as a sum of consecutive naturals, for example, 9600 + ... + 13453.

It is an arithmetic number, because the mean of its divisors is an integer number (5809608).

Almost surely, 244423131 is an apocalyptic number.

44423131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

44423131 is a deficient number, since it is larger than the sum of its proper divisors (2053733).

44423131 is a wasteful number, since it uses less digits than its factorization.

44423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23141.

The product of its digits is 1152, while the sum is 22.

The square root of 44423131 is about 6665.0679666452. The cubic root of 44423131 is about 354.1628917214.

Adding to 44423131 its reverse (13132444), we get a palindrome (57555575).

The spelling of 44423131 in words is "forty-four million, four hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 41 47 1927 23053 945173 1083491 44423131