Search a number
-
+
68125742 = 238388937
BaseRepresentation
bin1000000111110…
…00010000101110
311202012010221122
410003320100232
5114420010432
610432100542
71455026216
oct403702056
9152163848
1068125742
1135500973
121a994752
13111636b9
149095246
155eaa612
hex40f842e

68125742 has 8 divisors (see below), whose sum is σ = 102456576. Its totient is φ = 33973552.

The previous prime is 68125711. The next prime is 68125751. The reversal of 68125742 is 24752186.

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

It is a super-2 number, since 2×681257422 = 9282233446101128, which contains 22 as substring.

It is a congruent number.

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, 43703 + ... + 45234.

It is an arithmetic number, because the mean of its divisors is an integer number (12807072).

Almost surely, 268125742 is an apocalyptic number.

68125742 is a deficient number, since it is larger than the sum of its proper divisors (34330834).

68125742 is a wasteful number, since it uses less digits than its factorization.

68125742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89322.

The product of its digits is 26880, while the sum is 35.

The square root of 68125742 is about 8253.8319585511. The cubic root of 68125742 is about 408.4169412952.

The spelling of 68125742 in words is "sixty-eight million, one hundred twenty-five thousand, seven hundred forty-two".

Divisors: 1 2 383 766 88937 177874 34062871 68125742