Search a number
-
+
68705996 = 2241418939
BaseRepresentation
bin1000001100001…
…01111011001100
311210021121220112
410012011323030
5120042042441
610452335152
71462664012
oct406057314
9153247815
1068705996
1135867917
121b0144b8
1311307848
1491a68b2
1560724eb
hex4185ecc

68705996 has 12 divisors (see below), whose sum is σ = 123168360. Its totient is φ = 33515040.

The previous prime is 68705983. The next prime is 68706007. The reversal of 68705996 is 69950786.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209306 + ... + 209633.

It is an arithmetic number, because the mean of its divisors is an integer number (10264030).

Almost surely, 268705996 is an apocalyptic number.

It is an amenable number.

68705996 is a deficient number, since it is larger than the sum of its proper divisors (54462364).

68705996 is a wasteful number, since it uses less digits than its factorization.

68705996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418984 (or 418982 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 68705996 is about 8288.9080101060. The cubic root of 68705996 is about 409.5732144324.

The spelling of 68705996 in words is "sixty-eight million, seven hundred five thousand, nine hundred ninety-six".

Divisors: 1 2 4 41 82 164 418939 837878 1675756 17176499 34352998 68705996