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28355064 = 2331181461
BaseRepresentation
bin110110000101…
…0100111111000
31222100120211120
41230022213320
524224330224
62451425240
7463004553
oct154124770
958316746
1028355064
1115007641
1295b5220
135b4a35a
143aa169a
152751779
hex1b0a9f8

28355064 has 16 divisors (see below), whose sum is σ = 70887720. Its totient is φ = 9451680.

The previous prime is 28355051. The next prime is 28355071. The reversal of 28355064 is 46055382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590707 + ... + 590754.

Almost surely, 228355064 is an apocalyptic number.

28355064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28355064 is an abundant number, since it is smaller than the sum of its proper divisors (42532656).

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

28355064 is a wasteful number, since it uses less digits than its factorization.

28355064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181470 (or 1181466 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 28355064 is about 5324.9473236831. The cubic root of 28355064 is about 304.9370612763.

The spelling of 28355064 in words is "twenty-eight million, three hundred fifty-five thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 1181461 2362922 3544383 4725844 7088766 9451688 14177532 28355064