Search a number
-
+
2668895 = 54147277
BaseRepresentation
bin1010001011100101011111
312000121000222
422023211133
51140401040
6133111555
731454015
oct12134537
95017028
102668895
1115631a9
12a885bb
13725a38
144d68b5
1537abb5
hex28b95f

2668895 has 16 divisors (see below), whose sum is σ = 3362688. Its totient is φ = 2031360.

The previous prime is 2668889. The next prime is 2668903. The reversal of 2668895 is 5988662.

It is a happy number.

It is not a de Polignac number, because 2668895 - 24 = 2668879 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 9497 + ... + 9773.

It is an arithmetic number, because the mean of its divisors is an integer number (210168).

22668895 is an apocalyptic number.

2668895 is a deficient number, since it is larger than the sum of its proper divisors (693793).

2668895 is a wasteful number, since it uses less digits than its factorization.

2668895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370.

The product of its digits is 207360, while the sum is 44.

The square root of 2668895 is about 1633.6753043368. The cubic root of 2668895 is about 138.7108701172.

It can be divided in two parts, 26 and 68895, that added together give a cube (68921 = 413).

The spelling of 2668895 in words is "two million, six hundred sixty-eight thousand, eight hundred ninety-five".

Divisors: 1 5 41 47 205 235 277 1385 1927 9635 11357 13019 56785 65095 533779 2668895