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2813028 = 223534423
BaseRepresentation
bin1010101110110001100100
312021220202020
422232301210
51210004103
6140143140
732624151
oct12566144
95256666
102813028
111651519
12b37ab0
1377651a
14533228
153a8753
hex2aec64

2813028 has 24 divisors (see below), whose sum is σ = 6689088. Its totient is φ = 919776.

The previous prime is 2813011. The next prime is 2813039. The reversal of 2813028 is 8203182.

2813028 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 = 2812989 and 2813007.

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, 1576 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (278712).

22813028 is an apocalyptic number.

It is an amenable number.

2813028 is an abundant number, since it is smaller than the sum of its proper divisors (3876060).

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

2813028 is a wasteful number, since it uses less digits than its factorization.

2813028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483 (or 4481 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2813028 is about 1677.2083949229. The cubic root of 2813028 is about 141.1642369710.

The spelling of 2813028 in words is "two million, eight hundred thirteen thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 4423 8846 13269 17692 26538 53076 234419 468838 703257 937676 1406514 2813028