Search a number
-
+
67094249 = 269249421
BaseRepresentation
bin1111111111110…
…0011011101001
311200020202000012
43333330123221
5114134003444
610354021305
71443202025
oct377743351
9150222005
1067094249
11349669a2
121a577835
1310b92051
148ca7385
155d54b9e
hex3ffc6e9

67094249 has 4 divisors (see below), whose sum is σ = 67343940. Its totient is φ = 66844560.

The previous prime is 67094179. The next prime is 67094267. The reversal of 67094249 is 94249076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26708224 + 40386025 = 5168^2 + 6355^2 .

It is a cyclic number.

It is not a de Polignac number, because 67094249 - 28 = 67093993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67094299) 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 in 3 ways as a sum of consecutive naturals, for example, 124442 + ... + 124979.

It is an arithmetic number, because the mean of its divisors is an integer number (16835985).

Almost surely, 267094249 is an apocalyptic number.

It is an amenable number.

67094249 is a deficient number, since it is larger than the sum of its proper divisors (249691).

67094249 is a wasteful number, since it uses less digits than its factorization.

67094249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249690.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 67094249 is about 8191.1079226195. The cubic root of 67094249 is about 406.3451670065.

The spelling of 67094249 in words is "sixty-seven million, ninety-four thousand, two hundred forty-nine".

Divisors: 1 269 249421 67094249