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28832208 = 243837237
BaseRepresentation
bin110110111111…
…1000111010000
32000020211100120
41231333013100
524340112313
62505550240
7500032626
oct155770720
960224316
1028832208
1115303079
1297a5380
135c865a2
143b87516
1527e7d23
hex1b7f1d0

28832208 has 40 divisors (see below), whose sum is σ = 75391008. Its totient is φ = 9493632.

The previous prime is 28832191. The next prime is 28832249. The reversal of 28832208 is 80223882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366 + ... + 7602.

Almost surely, 228832208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28832208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37695504).

28832208 is an abundant number, since it is smaller than the sum of its proper divisors (46558800).

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

28832208 is a wasteful number, since it uses less digits than its factorization.

28832208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331 (or 7325 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28832208 is about 5369.5631107195. The cubic root of 28832208 is about 306.6379956392.

The spelling of 28832208 in words is "twenty-eight million, eight hundred thirty-two thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 83 166 249 332 498 664 996 1328 1992 3984 7237 14474 21711 28948 43422 57896 86844 115792 173688 347376 600671 1201342 1802013 2402684 3604026 4805368 7208052 9610736 14416104 28832208