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28003368 = 2331166807
BaseRepresentation
bin110101011010…
…0110000101000
31221200201101210
41222310300220
524132101433
62440113120
7460011321
oct152646050
957621353
1028003368
1114897388
1294657a0
135a56253
143a0d448
1526d2463
hex1ab4c28

28003368 has 16 divisors (see below), whose sum is σ = 70008480. Its totient is φ = 9334448.

The previous prime is 28003343. The next prime is 28003421. The reversal of 28003368 is 86330082.

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 3 ways as a sum of consecutive naturals, for example, 583380 + ... + 583427.

It is an arithmetic number, because the mean of its divisors is an integer number (4375530).

Almost surely, 228003368 is an apocalyptic number.

It is an amenable number.

28003368 is an abundant number, since it is smaller than the sum of its proper divisors (42005112).

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

28003368 is a wasteful number, since it uses less digits than its factorization.

28003368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166816 (or 1166812 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 28003368 is about 5291.8208586459. The cubic root of 28003368 is about 303.6710719752.

The spelling of 28003368 in words is "twenty-eight million, three thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 1166807 2333614 3500421 4667228 7000842 9334456 14001684 28003368