Search a number
-
+
68858894 = 2132648419
BaseRepresentation
bin1000001101010…
…11010000001110
311210120101122102
410012223100032
5120111441034
610455515102
71464201536
oct406532016
9153511572
1068858894
1135961785
121b088a92
131135c310
1492064c6
1560a297e
hex41ab40e

68858894 has 8 divisors (see below), whose sum is σ = 111233640. Its totient is φ = 31781016.

The previous prime is 68858893. The next prime is 68858921. The reversal of 68858894 is 49885886.

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 (68858893) 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, 1324184 + ... + 1324235.

It is an arithmetic number, because the mean of its divisors is an integer number (13904205).

Almost surely, 268858894 is an apocalyptic number.

68858894 is a deficient number, since it is larger than the sum of its proper divisors (42374746).

68858894 is a wasteful number, since it uses less digits than its factorization.

68858894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648434.

The product of its digits is 4423680, while the sum is 56.

The square root of 68858894 is about 8298.1259330044. The cubic root of 68858894 is about 409.8768101045.

The spelling of 68858894 in words is "sixty-eight million, eight hundred fifty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 13 26 2648419 5296838 34429447 68858894