Search a number
-
+
2068660 = 225119403
BaseRepresentation
bin111111001000010110100
310220002200001
413321002310
51012144120
6112201044
723404036
oct7710264
93802601
102068660
111193240
12839184
13575779
143bbc56
152ace0a
hex1f90b4

2068660 has 24 divisors (see below), whose sum is σ = 4739616. Its totient is φ = 752160.

The previous prime is 2068639. The next prime is 2068667. The reversal of 2068660 is 668602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068667) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4482 + ... + 4921.

It is an arithmetic number, because the mean of its divisors is an integer number (197484).

22068660 is an apocalyptic number.

2068660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2068660 is an abundant number, since it is smaller than the sum of its proper divisors (2670956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2068660 is a wasteful number, since it uses less digits than its factorization.

2068660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9423 (or 9421 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2068660 is about 1438.2836994140. The cubic root of 2068660 is about 127.4176836344.

The spelling of 2068660 in words is "two million, sixty-eight thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 9403 18806 37612 47015 94030 103433 188060 206866 413732 517165 1034330 2068660