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2743424 = 2721433
BaseRepresentation
bin1010011101110010000000
312011101021022
422131302000
51200242144
6134445012
732214215
oct12356200
95141238
102743424
1116041a2
12b03768
13750938
14515b0c
15392cee
hex29dc80

2743424 has 16 divisors (see below), whose sum is σ = 5465670. Its totient is φ = 1371648.

The previous prime is 2743423. The next prime is 2743457. The reversal of 2743424 is 4243472.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 53824 = 1640^2 + 232^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 2743393 and 2743402.

It is not an unprimeable number, because it can be changed into a prime (2743423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10589 + ... + 10844.

22743424 is an apocalyptic number.

It is an amenable number.

2743424 is a deficient number, since it is larger than the sum of its proper divisors (2722246).

2743424 is an equidigital number, since it uses as much as digits as its factorization.

2743424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21447 (or 21435 counting only the distinct ones).

The product of its digits is 5376, while the sum is 26.

The square root of 2743424 is about 1656.3284698392. The cubic root of 2743424 is about 139.9902033961.

Adding to 2743424 its reverse (4243472), we get a palindrome (6986896).

The spelling of 2743424 in words is "two million, seven hundred forty-three thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 21433 42866 85732 171464 342928 685856 1371712 2743424