Search a number
-
+
67280027 is a prime number
BaseRepresentation
bin1000000001010…
…01110010011011
311200121011211212
410000221302123
5114210430102
610402013335
71444604453
oct400516233
9150534755
1067280027
1134a83531
121a64724b
1310c28789
148d14d63
155d8ec52
hex4029c9b

67280027 has 2 divisors, whose sum is σ = 67280028. Its totient is φ = 67280026.

The previous prime is 67280021. The next prime is 67280041. The reversal of 67280027 is 72008276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67280027 - 26 = 67279963 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 67279975 and 67280002.

It is not a weakly prime, because it can be changed into another prime (67280021) 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, 33640013 + 33640014.

It is an arithmetic number, because the mean of its divisors is an integer number (33640014).

Almost surely, 267280027 is an apocalyptic number.

67280027 is a deficient number, since it is larger than the sum of its proper divisors (1).

67280027 is an equidigital number, since it uses as much as digits as its factorization.

67280027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 67280027 is about 8202.4403076158. The cubic root of 67280027 is about 406.7198659090.

The spelling of 67280027 in words is "sixty-seven million, two hundred eighty thousand, twenty-seven".