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28301696 = 271271741
BaseRepresentation
bin110101111110…
…1100110000000
31222020212121222
41223331212000
524221123241
62450334212
7462363143
oct153754600
958225558
1028301696
1114a80535
12958a368
135b2bc87
143a8a05a
152740a4b
hex1afd980

28301696 has 32 divisors (see below), whose sum is σ = 56858880. Its totient is φ = 14031360.

The previous prime is 28301683. The next prime is 28301701. The reversal of 28301696 is 69610382.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15386 + ... + 17126.

It is an arithmetic number, because the mean of its divisors is an integer number (1776840).

Almost surely, 228301696 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 28301696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28429440).

28301696 is an abundant number, since it is smaller than the sum of its proper divisors (28557184).

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

28301696 is a wasteful number, since it uses less digits than its factorization.

28301696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 28301696 is about 5319.9338341750. The cubic root of 28301696 is about 304.7456304306.

The spelling of 28301696 in words is "twenty-eight million, three hundred one thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 64 127 128 254 508 1016 1741 2032 3482 4064 6964 8128 13928 16256 27856 55712 111424 221107 222848 442214 884428 1768856 3537712 7075424 14150848 28301696