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28896112 = 2471937367
BaseRepresentation
bin110111000111…
…0101101110000
32000101002000101
41232032231300
524344133422
62511202144
7500420140
oct156165560
960332011
1028896112
1115347093
129816354
135ca96bb
143ba2920
15280bc27
hex1b8eb70

28896112 has 80 divisors (see below), whose sum is σ = 69360640. Its totient is φ = 11384064.

The previous prime is 28896089. The next prime is 28896121. The reversal of 28896112 is 21169882.

It is a Harshad number since it is a multiple of its sum of digits (37).

Its product of digits (13824) is a multiple of the sum of its prime divisors (432).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78553 + ... + 78919.

It is an arithmetic number, because the mean of its divisors is an integer number (867008).

Almost surely, 228896112 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 28896112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34680320).

28896112 is an abundant number, since it is smaller than the sum of its proper divisors (40464528).

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

28896112 is a wasteful number, since it uses less digits than its factorization.

28896112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 432 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 28896112 is about 5375.5103943719. The cubic root of 28896112 is about 306.8643736668.

The spelling of 28896112 in words is "twenty-eight million, eight hundred ninety-six thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 19 28 37 38 56 74 76 112 133 148 152 259 266 296 304 367 518 532 592 703 734 1036 1064 1406 1468 2072 2128 2569 2812 2936 4144 4921 5138 5624 5872 6973 9842 10276 11248 13579 13946 19684 20552 27158 27892 39368 41104 48811 54316 55784 78736 95053 97622 108632 111568 190106 195244 217264 258001 380212 390488 516002 760424 780976 1032004 1520848 1806007 2064008 3612014 4128016 7224028 14448056 28896112