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2928393 = 3713103
BaseRepresentation
bin1011001010111100001001
312111210000000
423022330021
51222202033
6142433213
733614406
oct13127411
95453000
102928393
111720166
12b92809
137b6ba0
145632ad
153cca13
hex2caf09

2928393 has 32 divisors (see below), whose sum is σ = 4775680. Its totient is φ = 1784592.

The previous prime is 2928377. The next prime is 2928397. The reversal of 2928393 is 3938292.

2928393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2928393 - 24 = 2928377 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928397) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 28380 + ... + 28482.

It is an arithmetic number, because the mean of its divisors is an integer number (149240).

22928393 is an apocalyptic number.

It is an amenable number.

2928393 is a deficient number, since it is larger than the sum of its proper divisors (1847287).

2928393 is an equidigital number, since it uses as much as digits as its factorization.

2928393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 119 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 2928393 is about 1711.2548027690. The cubic root of 2928393 is about 143.0682022620.

It can be divided in two parts, 2928 and 393, that added together give a triangular number (3321 = T81).

The spelling of 2928393 in words is "two million, nine hundred twenty-eight thousand, three hundred ninety-three".

Divisors: 1 3 9 13 27 39 81 103 117 243 309 351 729 927 1053 1339 2187 2781 3159 4017 8343 9477 12051 25029 28431 36153 75087 108459 225261 325377 976131 2928393