Search a number
-
+
2650940 = 225132547
BaseRepresentation
bin1010000111001100111100
311222200101222
422013030330
51134312230
6132452512
731350455
oct12071474
94880358
102650940
111550766
12a7a138
1371a806
144d012c
153756e5
hex28733c

2650940 has 12 divisors (see below), whose sum is σ = 5567016. Its totient is φ = 1060368.

The previous prime is 2650933. The next prime is 2650943. The reversal of 2650940 is 490562.

2650940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650943) 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, 66254 + ... + 66293.

It is an arithmetic number, because the mean of its divisors is an integer number (463918).

22650940 is an apocalyptic number.

2650940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2650940 is an abundant number, since it is smaller than the sum of its proper divisors (2916076).

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

2650940 is a wasteful number, since it uses less digits than its factorization.

2650940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132556 (or 132554 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2650940 is about 1628.1707527161. The cubic root of 2650940 is about 138.3991106673.

The spelling of 2650940 in words is "two million, six hundred fifty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 132547 265094 530188 662735 1325470 2650940