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2720484 = 2232135813
BaseRepresentation
bin1010011000001011100100
312010012210200
422120023210
51144023414
6134150500
732060304
oct12301344
95105720
102720484
111598a38
12ab2430
13743370
1450b604
1538b109
hex2982e4

2720484 has 36 divisors (see below), whose sum is σ = 7407036. Its totient is φ = 836928.

The previous prime is 2720447. The next prime is 2720503. The reversal of 2720484 is 4840272.

It can be written as a sum of positive squares in 2 ways, for example, as 1102500 + 1617984 = 1050^2 + 1272^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2439 + ... + 3374.

It is an arithmetic number, because the mean of its divisors is an integer number (205751).

22720484 is an apocalyptic number.

It is an amenable number.

2720484 is an abundant number, since it is smaller than the sum of its proper divisors (4686552).

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

2720484 is a wasteful number, since it uses less digits than its factorization.

2720484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836 (or 5831 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 2720484 is about 1649.3889777733. The cubic root of 2720484 is about 139.5989200881.

The spelling of 2720484 in words is "two million, seven hundred twenty thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 5813 11626 17439 23252 34878 52317 69756 75569 104634 151138 209268 226707 302276 453414 680121 906828 1360242 2720484