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44041381 is a prime number
BaseRepresentation
bin1010100000000…
…0010010100101
310001212112102021
42220000102211
542233311011
64211543141
71043226346
oct250002245
9101775367
1044041381
1122950a3a
12128baab1
1391801b7
145bc60cd
153cee471
hex2a004a5

44041381 has 2 divisors, whose sum is σ = 44041382. Its totient is φ = 44041380.

The previous prime is 44041379. The next prime is 44041447. The reversal of 44041381 is 18314044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43692100 + 349281 = 6610^2 + 591^2 .

It is a cyclic number.

It is not a de Polignac number, because 44041381 - 21 = 44041379 is a prime.

It is a super-2 number, since 2×440413812 = 3879286480774322, which contains 22 as substring.

Together with 44041379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44041321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020690 + 22020691.

It is an arithmetic number, because the mean of its divisors is an integer number (22020691).

Almost surely, 244041381 is an apocalyptic number.

It is an amenable number.

44041381 is a deficient number, since it is larger than the sum of its proper divisors (1).

44041381 is an equidigital number, since it uses as much as digits as its factorization.

44041381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 44041381 is about 6636.3680579064. The cubic root of 44041381 is about 353.1454726011.

The spelling of 44041381 in words is "forty-four million, forty-one thousand, three hundred eighty-one".