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41381731 is a prime number
BaseRepresentation
bin1001110111011…
…0111101100011
32212212102001201
42131312331203
541043203411
64034542031
71011511306
oct235667543
985772051
1041381731
11213a4786
1211a37917
13875b741
1456d2b3d
1539763c1
hex2776f63

41381731 has 2 divisors, whose sum is σ = 41381732. Its totient is φ = 41381730.

The previous prime is 41381671. The next prime is 41381737. The reversal of 41381731 is 13718314.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41381731 - 217 = 41250659 is a prime.

It is a super-2 number, since 2×413817312 = 3424895321112722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41381731.

It is not a weakly prime, because it can be changed into another prime (41381737) 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 as a sum of consecutive naturals, namely, 20690865 + 20690866.

It is an arithmetic number, because the mean of its divisors is an integer number (20690866).

Almost surely, 241381731 is an apocalyptic number.

41381731 is the 4069-th centered pentagonal number.

41381731 is a deficient number, since it is larger than the sum of its proper divisors (1).

41381731 is an equidigital number, since it uses as much as digits as its factorization.

41381731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 41381731 is about 6432.8633593447. The cubic root of 41381731 is about 345.8885755014. Note that the first 3 decimals are identical.

The spelling of 41381731 in words is "forty-one million, three hundred eighty-one thousand, seven hundred thirty-one".