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2830308 = 2231318143
BaseRepresentation
bin1010110010111111100100
312022210110020
422302333210
51211032213
6140355140
733025425
oct12627744
95283406
102830308
1116634a8
12b45ab0
13781350
1453964c
153ad923
hex2b2fe4

2830308 has 24 divisors (see below), whose sum is σ = 7112448. Its totient is φ = 870816.

The previous prime is 2830301. The next prime is 2830349. The reversal of 2830308 is 8030382.

It is not an unprimeable number, because it can be changed into a prime (2830301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8916 + ... + 9227.

It is an arithmetic number, because the mean of its divisors is an integer number (296352).

22830308 is an apocalyptic number.

It is an amenable number.

2830308 is an abundant number, since it is smaller than the sum of its proper divisors (4282140).

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

2830308 is a wasteful number, since it uses less digits than its factorization.

2830308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18163 (or 18161 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2830308 is about 1682.3519251334. The cubic root of 2830308 is about 141.4526972121.

The spelling of 2830308 in words is "two million, eight hundred thirty thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 18143 36286 54429 72572 108858 217716 235859 471718 707577 943436 1415154 2830308