Search a number
-
+
67424227 = 1317714297
BaseRepresentation
bin1000000010011…
…00111111100011
311200212111122121
410001030333203
5114230033402
610405045111
71446045043
oct401147743
9150774577
1067424227
1135071902
121a6b6797
1310c792c0
148d51723
155dbc837
hex404cfe3

67424227 has 16 divisors (see below), whose sum is σ = 77982912. Its totient is φ = 57738240.

The previous prime is 67424219. The next prime is 67424233. The reversal of 67424227 is 72242476.

It is a cyclic number.

It is not a de Polignac number, because 67424227 - 23 = 67424219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67424192 and 67424201.

It is not an unprimeable number, because it can be changed into a prime (67424257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13543 + ... + 17839.

It is an arithmetic number, because the mean of its divisors is an integer number (4873932).

Almost surely, 267424227 is an apocalyptic number.

67424227 is a deficient number, since it is larger than the sum of its proper divisors (10558685).

67424227 is a wasteful number, since it uses less digits than its factorization.

67424227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398.

The product of its digits is 37632, while the sum is 34.

The square root of 67424227 is about 8211.2256697767. The cubic root of 67424227 is about 407.0102302101.

The spelling of 67424227 in words is "sixty-seven million, four hundred twenty-four thousand, two hundred twenty-seven".

Divisors: 1 13 17 71 221 923 1207 4297 15691 55861 73049 305087 949637 3966131 5186479 67424227