Search a number
-
+
67130471 is a prime number
BaseRepresentation
bin1000000000001…
…01010001100111
311200022120200202
410000011101213
5114141133341
610354501115
71443412442
oct400052147
9150276622
1067130471
1134991131
121a59479b
1310ba5695
148cb6659
155d6079b
hex4005467

67130471 has 2 divisors, whose sum is σ = 67130472. Its totient is φ = 67130470.

The previous prime is 67130443. The next prime is 67130507. The reversal of 67130471 is 17403176.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-67130471 is a prime.

It is a super-3 number, since 3×671304713 (a number of 24 digits) contains 333 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 (67130771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33565235 + 33565236.

It is an arithmetic number, because the mean of its divisors is an integer number (33565236).

Almost surely, 267130471 is an apocalyptic number.

67130471 is a deficient number, since it is larger than the sum of its proper divisors (1).

67130471 is an equidigital number, since it uses as much as digits as its factorization.

67130471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 67130471 is about 8193.3186804859. The cubic root of 67130471 is about 406.4182780254.

The spelling of 67130471 in words is "sixty-seven million, one hundred thirty thousand, four hundred seventy-one".