Search a number
-
+
68155466 = 249516883
BaseRepresentation
bin1000000111111…
…11100001001010
311202020122201112
410003333201022
5114421433331
610432450322
71455211661
oct403774112
9152218645
1068155466
1135521235
121a9a99a2
13111740a2
1490a1dd8
155eb432b
hex40ff84a

68155466 has 8 divisors (see below), whose sum is σ = 102268704. Its totient is φ = 34065900.

The previous prime is 68155459. The next prime is 68155471. The reversal of 68155466 is 66455186.

It is a happy number.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6461 + ... + 13343.

It is an arithmetic number, because the mean of its divisors is an integer number (12783588).

Almost surely, 268155466 is an apocalyptic number.

68155466 is a deficient number, since it is larger than the sum of its proper divisors (34113238).

68155466 is a wasteful number, since it uses less digits than its factorization.

68155466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11836.

The product of its digits is 172800, while the sum is 41.

The square root of 68155466 is about 8255.6323803813. The cubic root of 68155466 is about 408.4763315720.

The spelling of 68155466 in words is "sixty-eight million, one hundred fifty-five thousand, four hundred sixty-six".

Divisors: 1 2 4951 6883 9902 13766 34077733 68155466