Search a number
-
+
2908040 = 23572701
BaseRepresentation
bin1011000101111110001000
312110202002012
423011332020
51221024130
6142155052
733501152
oct13057610
95422065
102908040
111706943
12b82a88
137aa845
14559ad2
153c6995
hex2c5f88

2908040 has 16 divisors (see below), whose sum is σ = 6543180. Its totient is φ = 1163200.

The previous prime is 2908039. The next prime is 2908043. The reversal of 2908040 is 408092.

2908040 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 2896804 + 11236 = 1702^2 + 106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2907997 and 2908015.

It is not an unprimeable number, because it can be changed into a prime (2908043) 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, 36311 + ... + 36390.

22908040 is an apocalyptic number.

2908040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2908040 is an abundant number, since it is smaller than the sum of its proper divisors (3635140).

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

2908040 is a wasteful number, since it uses less digits than its factorization.

2908040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72712 (or 72708 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2908040 is about 1705.2976279817. The cubic root of 2908040 is about 142.7359791693.

The spelling of 2908040 in words is "two million, nine hundred eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 72701 145402 290804 363505 581608 727010 1454020 2908040