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28617348 = 2233976007
BaseRepresentation
bin110110100101…
…0101010000100
31222211220121210
41231022222010
524311223343
62501211420
7465146334
oct155125204
958756553
1028617348
1115176701
129700b70
135c0c856
143b2d0c4
1527a4333
hex1b4aa84

28617348 has 24 divisors (see below), whose sum is σ = 66953152. Its totient is φ = 9513504.

The previous prime is 28617311. The next prime is 28617349. The reversal of 28617348 is 84371682.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28617349) 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 7 ways as a sum of consecutive naturals, for example, 1761 + ... + 7767.

Almost surely, 228617348 is an apocalyptic number.

It is an amenable number.

28617348 is an abundant number, since it is smaller than the sum of its proper divisors (38335804).

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

28617348 is a wasteful number, since it uses less digits than its factorization.

28617348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411 (or 6409 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 28617348 is about 5349.5184830039. The cubic root of 28617348 is about 305.8743984502.

The spelling of 28617348 in words is "twenty-eight million, six hundred seventeen thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 397 794 1191 1588 2382 4764 6007 12014 18021 24028 36042 72084 2384779 4769558 7154337 9539116 14308674 28617348