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41099921 is a prime number
BaseRepresentation
bin1001110011001…
…0001010010001
32212100002111022
42130302022101
541010144141
64024525225
71006225562
oct234621221
985302438
1041099921
1121221a85
1211920815
1386903a5
14565c169
15391cb4b
hex2732291

41099921 has 2 divisors, whose sum is σ = 41099922. Its totient is φ = 41099920.

The previous prime is 41099911. The next prime is 41099923. The reversal of 41099921 is 12999014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39438400 + 1661521 = 6280^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 41099921 - 218 = 40837777 is a prime.

Together with 41099923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41099923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20549960 + 20549961.

It is an arithmetic number, because the mean of its divisors is an integer number (20549961).

Almost surely, 241099921 is an apocalyptic number.

It is an amenable number.

41099921 is a deficient number, since it is larger than the sum of its proper divisors (1).

41099921 is an equidigital number, since it uses as much as digits as its factorization.

41099921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 41099921 is about 6410.9220085726. The cubic root of 41099921 is about 345.1016181790.

The spelling of 41099921 in words is "forty-one million, ninety-nine thousand, nine hundred twenty-one".