Search a number
-
+
68107874 = 2160721191
BaseRepresentation
bin1000000111100…
…11111001100010
311202011020102212
410003303321202
5114413422444
610431442122
71454623142
oct403637142
9152136385
1068107874
11354994aa
121a986342
1311158523
14908c922
155ea519e
hex40f3e62

68107874 has 8 divisors (see below), whose sum is σ = 102230208. Its totient is φ = 34031140.

The previous prime is 68107867. The next prime is 68107877. The reversal of 68107874 is 47870186.

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

It is not an unprimeable number, because it can be changed into a prime (68107877) by changing a digit.

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, 7382 + ... + 13809.

It is an arithmetic number, because the mean of its divisors is an integer number (12778776).

Almost surely, 268107874 is an apocalyptic number.

68107874 is a deficient number, since it is larger than the sum of its proper divisors (34122334).

68107874 is a wasteful number, since it uses less digits than its factorization.

68107874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22800.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 68107874 is about 8252.7494812335. The cubic root of 68107874 is about 408.3812316805.

The spelling of 68107874 in words is "sixty-eight million, one hundred seven thousand, eight hundred seventy-four".

Divisors: 1 2 1607 3214 21191 42382 34053937 68107874