Search a number
-
+
68736814 = 2172021671
BaseRepresentation
bin1000001100011…
…01011100101110
311210100012011221
410012031130232
5120044034224
610453133554
71463152606
oct406153456
9153305157
1068736814
1135888a93
121b02a2ba
1311318893
1491b3c06
15607b6e4
hex418d72e

68736814 has 8 divisors (see below), whose sum is σ = 109170288. Its totient is φ = 32346720.

The previous prime is 68736809. The next prime is 68736821. The reversal of 68736814 is 41863786.

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

It is a congruent number.

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, 1010802 + ... + 1010869.

It is an arithmetic number, because the mean of its divisors is an integer number (13646286).

Almost surely, 268736814 is an apocalyptic number.

68736814 is a deficient number, since it is larger than the sum of its proper divisors (40433474).

68736814 is a wasteful number, since it uses less digits than its factorization.

68736814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021690.

The product of its digits is 193536, while the sum is 43.

The square root of 68736814 is about 8290.7667920404. The cubic root of 68736814 is about 409.6344431523.

The spelling of 68736814 in words is "sixty-eight million, seven hundred thirty-six thousand, eight hundred fourteen".

Divisors: 1 2 17 34 2021671 4043342 34368407 68736814