Search a number
-
+
2606920 = 23565173
BaseRepresentation
bin1001111100011101001000
311220110000121
421330131020
51131410140
6131513024
731105231
oct11743510
94813017
102606920
111520688
12a58774
13703774
144bc088
1536764a
hex27c748

2606920 has 16 divisors (see below), whose sum is σ = 5865660. Its totient is φ = 1042752.

The previous prime is 2606917. The next prime is 2606927. The reversal of 2606920 is 296062.

2606920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2114116 + 492804 = 1454^2 + 702^2 .

It is not an unprimeable number, because it can be changed into a prime (2606927) 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 3 ways as a sum of consecutive naturals, for example, 32547 + ... + 32626.

22606920 is an apocalyptic number.

2606920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2606920 is an abundant number, since it is smaller than the sum of its proper divisors (3258740).

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

2606920 is a wasteful number, since it uses less digits than its factorization.

2606920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65184 (or 65180 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2606920 is about 1614.5959246821. The cubic root of 2606920 is about 137.6287719265.

The spelling of 2606920 in words is "two million, six hundred six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 65173 130346 260692 325865 521384 651730 1303460 2606920