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41388881 is a prime number
BaseRepresentation
bin1001110111100…
…0101101010001
32212212202212112
42131320231101
541043421011
64035035105
71011541202
oct235705521
985782775
1041388881
11213aa096
1211a3ba95
138761a81
1456d55a9
15397858b
hex2778b51

41388881 has 2 divisors, whose sum is σ = 41388882. Its totient is φ = 41388880.

The previous prime is 41388877. The next prime is 41388899. The reversal of 41388881 is 18888314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41075281 + 313600 = 6409^2 + 560^2 .

It is a cyclic number.

It is not a de Polignac number, because 41388881 - 22 = 41388877 is a prime.

It is a super-2 number, since 2×413888812 = 3426078940864322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41388871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20694440 + 20694441.

It is an arithmetic number, because the mean of its divisors is an integer number (20694441).

Almost surely, 241388881 is an apocalyptic number.

It is an amenable number.

41388881 is a deficient number, since it is larger than the sum of its proper divisors (1).

41388881 is an equidigital number, since it uses as much as digits as its factorization.

41388881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49152, while the sum is 41.

The square root of 41388881 is about 6433.4190754217. The cubic root of 41388881 is about 345.9084954100.

The spelling of 41388881 in words is "forty-one million, three hundred eighty-eight thousand, eight hundred eighty-one".