Search a number
-
+
4081240 = 235102031
BaseRepresentation
bin1111100100011001011000
321200100102001
433210121120
52021044430
6223250344
746455442
oct17443130
97610361
104081240
112338329
1214499b4
13acb847
14783492
155593ca
hex3e4658

4081240 has 16 divisors (see below), whose sum is σ = 9182880. Its totient is φ = 1632480.

The previous prime is 4081229. The next prime is 4081261. The reversal of 4081240 is 421804.

4081240 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 an unprimeable number.

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, 50976 + ... + 51055.

It is an arithmetic number, because the mean of its divisors is an integer number (573930).

Almost surely, 24081240 is an apocalyptic number.

4081240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4081240 is an abundant number, since it is smaller than the sum of its proper divisors (5101640).

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

4081240 is a wasteful number, since it uses less digits than its factorization.

4081240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102042 (or 102038 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4081240 is about 2020.2079100924. The cubic root of 4081240 is about 159.8075811865.

The spelling of 4081240 in words is "four million, eighty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 102031 204062 408124 510155 816248 1020310 2040620 4081240