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28714084 = 2271025503
BaseRepresentation
bin110110110001…
…0010001100100
32000000211022121
41231202101210
524322322314
62503235324
7466031350
oct155422144
960024277
1028714084
1115232353
129748b44
135c448a9
143b56460
1527c2d24
hex1b62464

28714084 has 12 divisors (see below), whose sum is σ = 57428224. Its totient is φ = 12306024.

The previous prime is 28714069. The next prime is 28714087. The reversal of 28714084 is 48041782.

28714084 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28714087) 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 3 ways as a sum of consecutive naturals, for example, 512724 + ... + 512779.

Almost surely, 228714084 is an apocalyptic number.

It is an amenable number.

28714084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28714084 is a wasteful number, since it uses less digits than its factorization.

28714084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025514 (or 1025512 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 28714084 is about 5358.5524164647. The cubic root of 28714084 is about 306.2186626827.

The spelling of 28714084 in words is "twenty-eight million, seven hundred fourteen thousand, eighty-four".

Divisors: 1 2 4 7 14 28 1025503 2051006 4102012 7178521 14357042 28714084