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28208096 = 257125929
BaseRepresentation
bin110101110011…
…0101111100000
31222002010020022
41223212233200
524210124341
62444333012
7461523230
oct153465740
958063208
1028208096
1114a17184
129544168
135ac84a7
143a63cc0
152722e4b
hex1ae6be0

28208096 has 24 divisors (see below), whose sum is σ = 63468720. Its totient is φ = 12089088.

The previous prime is 28208093. The next prime is 28208101. The reversal of 28208096 is 69080282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28208093) 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, 62741 + ... + 63188.

It is an arithmetic number, because the mean of its divisors is an integer number (2644530).

Almost surely, 228208096 is an apocalyptic number.

It is an amenable number.

28208096 is an abundant number, since it is smaller than the sum of its proper divisors (35260624).

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

28208096 is a wasteful number, since it uses less digits than its factorization.

28208096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125946 (or 125938 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 28208096 is about 5311.1294467373. The cubic root of 28208096 is about 304.4093055428.

The spelling of 28208096 in words is "twenty-eight million, two hundred eight thousand, ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 125929 251858 503716 881503 1007432 1763006 2014864 3526012 4029728 7052024 14104048 28208096