Search a number
-
+
67089469 is a prime number
BaseRepresentation
bin1111111111101…
…1010000111101
311200020111110011
43333323100331
5114133330334
610353543221
71443152056
oct377732075
9150214404
1067089469
1134963347
121a574b11
1310b8cb15
148ca572d
155d53564
hex3ffb43d

67089469 has 2 divisors, whose sum is σ = 67089470. Its totient is φ = 67089468.

The previous prime is 67089461. The next prime is 67089479. The reversal of 67089469 is 96498076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67026969 + 62500 = 8187^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 67089469 - 23 = 67089461 is a prime.

It is a super-2 number, since 2×670894692 = 9001993701403922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67089461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33544734 + 33544735.

It is an arithmetic number, because the mean of its divisors is an integer number (33544735).

Almost surely, 267089469 is an apocalyptic number.

It is an amenable number.

67089469 is a deficient number, since it is larger than the sum of its proper divisors (1).

67089469 is an equidigital number, since it uses as much as digits as its factorization.

67089469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 67089469 is about 8190.8161376019. The cubic root of 67089469 is about 406.3355170188.

The spelling of 67089469 in words is "sixty-seven million, eighty-nine thousand, four hundred sixty-nine".