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308830 = 2589347
BaseRepresentation
bin1001011011001011110
3120200122011
41023121132
534340310
610341434
72424244
oct1133136
9520564
10308830
111a1035
1212a87a
13aa752
1480794
156178a
hex4b65e

308830 has 16 divisors (see below), whose sum is σ = 563760. Its totient is φ = 121792.

The previous prime is 308827. The next prime is 308849. The reversal of 308830 is 38803.

308830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 13.

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, 717 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (35235).

2308830 is an apocalyptic number.

308830 is a deficient number, since it is larger than the sum of its proper divisors (254930).

308830 is a wasteful number, since it uses less digits than its factorization.

308830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 308830 is about 555.7247520131. The cubic root of 308830 is about 67.5937426371.

The spelling of 308830 in words is "three hundred eight thousand, eight hundred thirty".

Divisors: 1 2 5 10 89 178 347 445 694 890 1735 3470 30883 61766 154415 308830