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41995181 is a prime number
BaseRepresentation
bin1010000000110…
…0101110101101
32221000120120002
42200030232231
541222321211
64100034045
71016644634
oct240145655
987016502
1041995181
1121783668
1212092925
138914a27
14581251b
153a4803b
hex280cbad

41995181 has 2 divisors, whose sum is σ = 41995182. Its totient is φ = 41995180.

The previous prime is 41995159. The next prime is 41995211. The reversal of 41995181 is 18159914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28526281 + 13468900 = 5341^2 + 3670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-41995181 is a prime.

It is a super-3 number, since 3×419951813 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41995141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20997590 + 20997591.

It is an arithmetic number, because the mean of its divisors is an integer number (20997591).

Almost surely, 241995181 is an apocalyptic number.

It is an amenable number.

41995181 is a deficient number, since it is larger than the sum of its proper divisors (1).

41995181 is an equidigital number, since it uses as much as digits as its factorization.

41995181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 38.

The square root of 41995181 is about 6480.3688938208. The cubic root of 41995181 is about 347.5893695576.

The spelling of 41995181 in words is "forty-one million, nine hundred ninety-five thousand, one hundred eighty-one".