Search a number
-
+
68770186 = 2311110563
BaseRepresentation
bin1000001100101…
…01100110001010
311210101212221221
410012111212022
5120101121221
610453552254
71463352112
oct406254612
9153355857
1068770186
1135901071
121b04568a
131132ab24
1491c2042
156086541
hex419598a

68770186 has 8 divisors (see below), whose sum is σ = 103487904. Its totient is φ = 34274220.

The previous prime is 68770159. The next prime is 68770217. The reversal of 68770186 is 68107786.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54660 + ... + 55903.

It is an arithmetic number, because the mean of its divisors is an integer number (12935988).

Almost surely, 268770186 is an apocalyptic number.

68770186 is a deficient number, since it is larger than the sum of its proper divisors (34717718).

68770186 is a wasteful number, since it uses less digits than its factorization.

68770186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110876.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 68770186 is about 8292.7791481505. The cubic root of 68770186 is about 409.7007254840.

The spelling of 68770186 in words is "sixty-eight million, seven hundred seventy thousand, one hundred eighty-six".

Divisors: 1 2 311 622 110563 221126 34385093 68770186