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28179152 = 2410317099
BaseRepresentation
bin110101101111…
…1101011010000
31222000122112022
41223133223100
524203213102
62443551012
7461342651
oct153375320
958018468
1028179152
11149a7461
12952b468
135ab8271
143a57528
1527195a2
hex1adfad0

28179152 has 20 divisors (see below), whose sum is σ = 55130400. Its totient is φ = 13951968.

The previous prime is 28179139. The next prime is 28179157. The reversal of 28179152 is 25197182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28179157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6902 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (2756520).

Almost surely, 228179152 is an apocalyptic number.

It is an amenable number.

28179152 is a deficient number, since it is larger than the sum of its proper divisors (26951248).

28179152 is a wasteful number, since it uses less digits than its factorization.

28179152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17210 (or 17204 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 28179152 is about 5308.4039032462. The cubic root of 28179152 is about 304.3051529593.

The spelling of 28179152 in words is "twenty-eight million, one hundred seventy-nine thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 103 206 412 824 1648 17099 34198 68396 136792 273584 1761197 3522394 7044788 14089576 28179152