Search a number
-
+
2582240 = 25516139
BaseRepresentation
bin1001110110011011100000
311212012011112
421312123200
51130112430
6131202452
730643253
oct11663340
94765145
102582240
111504091
12a46428
136c546b
144b309a
15360195
hex2766e0

2582240 has 24 divisors (see below), whose sum is σ = 6100920. Its totient is φ = 1032832.

The previous prime is 2582219. The next prime is 2582243. The reversal of 2582240 is 422852.

2582240 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 (2582243) 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, 7910 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (254205).

22582240 is an apocalyptic number.

2582240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2582240 is an abundant number, since it is smaller than the sum of its proper divisors (3518680).

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

2582240 is a wasteful number, since it uses less digits than its factorization.

2582240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16154 (or 16146 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2582240 is about 1606.9349706818. The cubic root of 2582240 is about 137.1930784984.

The spelling of 2582240 in words is "two million, five hundred eighty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 16139 32278 64556 80695 129112 161390 258224 322780 516448 645560 1291120 2582240