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28832868 = 2233266971
BaseRepresentation
bin110110111111…
…1010001100100
32000020212021000
41231333101210
524340122433
62505553300
7500034561
oct155772144
960225230
1028832868
1115303619
1297a5830
135c8698c
143b87868
1527e8113
hex1b7f464

28832868 has 24 divisors (see below), whose sum is σ = 74752160. Its totient is φ = 9610920.

The previous prime is 28832863. The next prime is 28832897. The reversal of 28832868 is 86823882.

It is not an unprimeable number, because it can be changed into a prime (28832863) 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, 133378 + ... + 133593.

Almost surely, 228832868 is an apocalyptic number.

It is an amenable number.

28832868 is an abundant number, since it is smaller than the sum of its proper divisors (45919292).

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

28832868 is a wasteful number, since it uses less digits than its factorization.

28832868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266984 (or 266976 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 28832868 is about 5369.6245678818. The cubic root of 28832868 is about 306.6403353783.

The spelling of 28832868 in words is "twenty-eight million, eight hundred thirty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 266971 533942 800913 1067884 1601826 2402739 3203652 4805478 7208217 9610956 14416434 28832868