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2643424 = 25711801
BaseRepresentation
bin1010000101010111100000
311222022002121
422011113200
51134042144
6132354024
731316530
oct12052740
94868077
102643424
111546053
12a75914
13717274
144cb4c0
15373384
hex2855e0

2643424 has 24 divisors (see below), whose sum is σ = 5948208. Its totient is φ = 1132800.

The previous prime is 2643397. The next prime is 2643427. The reversal of 2643424 is 4243462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5677 + ... + 6124.

It is an arithmetic number, because the mean of its divisors is an integer number (247842).

22643424 is an apocalyptic number.

It is an amenable number.

2643424 is an abundant number, since it is smaller than the sum of its proper divisors (3304784).

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

2643424 is a wasteful number, since it uses less digits than its factorization.

2643424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11818 (or 11810 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 2643424 is about 1625.8610026690. The cubic root of 2643424 is about 138.2681895173.

Adding to 2643424 its reverse (4243462), we get a palindrome (6886886).

The spelling of 2643424 in words is "two million, six hundred forty-three thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 11801 23602 47204 82607 94408 165214 188816 330428 377632 660856 1321712 2643424