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41455681 is a prime number
BaseRepresentation
bin1001111000100…
…1000001000001
32220000011111121
42132021001001
541103040211
64040312241
71012240021
oct236110101
986004447
1041455681
11214452a3
1211a72681
1387862b7
145711a81
15398d271
hex2789041

41455681 has 2 divisors, whose sum is σ = 41455682. Its totient is φ = 41455680.

The previous prime is 41455679. The next prime is 41455727. The reversal of 41455681 is 18655414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27468081 + 13987600 = 5241^2 + 3740^2 .

It is a cyclic number.

It is not a de Polignac number, because 41455681 - 21 = 41455679 is a prime.

It is a super-2 number, since 2×414556812 = 3437146974347522, which contains 22 as substring.

Together with 41455679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (41450681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20727840 + 20727841.

It is an arithmetic number, because the mean of its divisors is an integer number (20727841).

Almost surely, 241455681 is an apocalyptic number.

It is an amenable number.

41455681 is a deficient number, since it is larger than the sum of its proper divisors (1).

41455681 is an equidigital number, since it uses as much as digits as its factorization.

41455681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 34.

The square root of 41455681 is about 6438.6086229868. The cubic root of 41455681 is about 346.0944895464.

The spelling of 41455681 in words is "forty-one million, four hundred fifty-five thousand, six hundred eighty-one".