Search a number
-
+
68180764 = 2289191519
BaseRepresentation
bin1000001000001…
…01101100011100
311202021221102111
410010011230130
5114423241024
610433203404
71455345511
oct404055434
9152257374
1068180764
1135539243
121aa00564
1311182762
1490ab308
155ebba94
hex4105b1c

68180764 has 12 divisors (see below), whose sum is σ = 120657600. Its totient is φ = 33707168.

The previous prime is 68180753. The next prime is 68180771. The reversal of 68180764 is 46708186.

It is a congruent number.

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, 95404 + ... + 96115.

It is an arithmetic number, because the mean of its divisors is an integer number (10054800).

Almost surely, 268180764 is an apocalyptic number.

It is an amenable number.

68180764 is a deficient number, since it is larger than the sum of its proper divisors (52476836).

68180764 is a wasteful number, since it uses less digits than its factorization.

68180764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191612 (or 191610 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 68180764 is about 8257.1644043219. The cubic root of 68180764 is about 408.5268648432.

The spelling of 68180764 in words is "sixty-eight million, one hundred eighty thousand, seven hundred sixty-four".

Divisors: 1 2 4 89 178 356 191519 383038 766076 17045191 34090382 68180764