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67240441 is a prime number
BaseRepresentation
bin1000000001000…
…00000111111001
311200112011112201
410000200013321
5114203143231
610401110201
71444351162
oct400400771
9150464481
1067240441
1134a56814
121a628361
1310c13758
148d04769
155d83161
hex40201f9

67240441 has 2 divisors, whose sum is σ = 67240442. Its totient is φ = 67240440.

The previous prime is 67240403. The next prime is 67240469. The reversal of 67240441 is 14404276.

It is an a-pointer prime, because the next prime (67240469) can be obtained adding 67240441 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 441 = 8200^2 + 21^2 .

It is a cyclic number.

It is not a de Polignac number, because 67240441 - 211 = 67238393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67240141) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33620220 + 33620221.

It is an arithmetic number, because the mean of its divisors is an integer number (33620221).

Almost surely, 267240441 is an apocalyptic number.

It is an amenable number.

67240441 is a deficient number, since it is larger than the sum of its proper divisors (1).

67240441 is an equidigital number, since it uses as much as digits as its factorization.

67240441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 67240441 is about 8200.0268901998. The cubic root of 67240441 is about 406.6400820957.

The spelling of 67240441 in words is "sixty-seven million, two hundred forty thousand, four hundred forty-one".