Search a number
-
+
67668854 = 2113075857
BaseRepresentation
bin1000000100010…
…00101101110110
311201022221012212
410002020231312
5114310400404
610414213422
71451114201
oct402105566
9151287185
1067668854
1135219680
121a7b4272
1311033756
148db6938
155e1a06e
hex4088b76

67668854 has 8 divisors (see below), whose sum is σ = 110730888. Its totient is φ = 30758560.

The previous prime is 67668791. The next prime is 67668859. The reversal of 67668854 is 45886676.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67668859) 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 in 3 ways as a sum of consecutive naturals, for example, 1537907 + ... + 1537950.

It is an arithmetic number, because the mean of its divisors is an integer number (13841361).

Almost surely, 267668854 is an apocalyptic number.

67668854 is a deficient number, since it is larger than the sum of its proper divisors (43062034).

67668854 is a wasteful number, since it uses less digits than its factorization.

67668854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075870.

The product of its digits is 1935360, while the sum is 50.

The square root of 67668854 is about 8226.1080712570. The cubic root of 67668854 is about 407.5018710943.

The spelling of 67668854 in words is "sixty-seven million, six hundred sixty-eight thousand, eight hundred fifty-four".

Divisors: 1 2 11 22 3075857 6151714 33834427 67668854