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2730329 = 7255721
BaseRepresentation
bin1010011010100101011001
312010201022022
422122211121
51144332304
6134304225
732131100
oct12324531
95121268
102730329
1115a5378
12ab8075
137479a4
14511037
1538debe
hex29a959

2730329 has 6 divisors (see below), whose sum is σ = 3176154. Its totient is φ = 2340240.

The previous prime is 2730271. The next prime is 2730347. The reversal of 2730329 is 9230372.

2730329 = 1162 + 1172 + ... + 2132.

2730329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 1225 = 1652^2 + 35^2 .

It is not a de Polignac number, because 2730329 - 216 = 2664793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2730298 and 2730307.

It is not an unprimeable number, because it can be changed into a prime (2730229) 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 5 ways as a sum of consecutive naturals, for example, 27812 + ... + 27909.

It is an arithmetic number, because the mean of its divisors is an integer number (529359).

22730329 is an apocalyptic number.

It is an amenable number.

2730329 is a deficient number, since it is larger than the sum of its proper divisors (445825).

2730329 is an equidigital number, since it uses as much as digits as its factorization.

2730329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55735 (or 55728 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 2730329 is about 1652.3707211156. The cubic root of 2730329 is about 139.7671128117.

The spelling of 2730329 in words is "two million, seven hundred thirty thousand, three hundred twenty-nine".

Divisors: 1 7 49 55721 390047 2730329