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2756028 = 2231120879
BaseRepresentation
bin1010100000110110111100
312012000120010
422200312330
51201143103
6135023220
732266032
oct12406674
95160503
102756028
111612710
12b0ab10
137565b2
1451a552
15396903
hex2a0dbc

2756028 has 24 divisors (see below), whose sum is σ = 7015680. Its totient is φ = 835120.

The previous prime is 2756011. The next prime is 2756059. The reversal of 2756028 is 8206572.

2756028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2755986 and 2756004.

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 7 ways as a sum of consecutive naturals, for example, 10308 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (292320).

22756028 is an apocalyptic number.

It is an amenable number.

2756028 is an abundant number, since it is smaller than the sum of its proper divisors (4259652).

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

2756028 is a wasteful number, since it uses less digits than its factorization.

2756028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20897 (or 20895 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2756028 is about 1660.1289106572. The cubic root of 2756028 is about 140.2042596638.

The spelling of 2756028 in words is "two million, seven hundred fifty-six thousand, twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 20879 41758 62637 83516 125274 229669 250548 459338 689007 918676 1378014 2756028