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28843482 = 2319253013
BaseRepresentation
bin110111000000…
…1110111011010
32000021101211010
41232001313122
524340442412
62510114350
7500110533
oct156016732
960241733
1028843482
1115310598
1297ab9b6
135c8b765
143b8b68a
1527eb33c
hex1b81dda

28843482 has 16 divisors (see below), whose sum is σ = 60723360. Its totient is φ = 9108432.

The previous prime is 28843481. The next prime is 28843517. The reversal of 28843482 is 28434882.

It is a self number, because there is not a number n which added to its sum of digits gives 28843482.

It is not an unprimeable number, because it can be changed into a prime (28843481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126393 + ... + 126620.

It is an arithmetic number, because the mean of its divisors is an integer number (3795210).

Almost surely, 228843482 is an apocalyptic number.

28843482 is an abundant number, since it is smaller than the sum of its proper divisors (31879878).

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

28843482 is a wasteful number, since it uses less digits than its factorization.

28843482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253037.

The product of its digits is 98304, while the sum is 39.

The square root of 28843482 is about 5370.6128141954. The cubic root of 28843482 is about 306.6779577338.

The spelling of 28843482 in words is "twenty-eight million, eight hundred forty-three thousand, four hundred eighty-two".

Divisors: 1 2 3 6 19 38 57 114 253013 506026 759039 1518078 4807247 9614494 14421741 28843482