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28370016 = 253298507
BaseRepresentation
bin110110000111…
…0010001100000
31222101100100100
41230032101200
524230320031
62452022400
7463066263
oct154162140
958340310
1028370016
11150178a4
129601a00
135b540bc
143aa6cda
152755de6
hex1b0e460

28370016 has 36 divisors (see below), whose sum is σ = 80678052. Its totient is φ = 9456576.

The previous prime is 28369997. The next prime is 28370029. The reversal of 28370016 is 61007382.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48966 + ... + 49541.

It is an arithmetic number, because the mean of its divisors is an integer number (2241057).

Almost surely, 228370016 is an apocalyptic number.

It is an amenable number.

28370016 is an abundant number, since it is smaller than the sum of its proper divisors (52308036).

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

28370016 is a wasteful number, since it uses less digits than its factorization.

28370016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98523 (or 98512 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 28370016 is about 5326.3510962009. The cubic root of 28370016 is about 304.9906509721.

Adding to 28370016 its reverse (61007382), we get a palindrome (89377398).

The spelling of 28370016 in words is "twenty-eight million, three hundred seventy thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 98507 197014 295521 394028 591042 788056 886563 1182084 1576112 1773126 2364168 3152224 3546252 4728336 7092504 9456672 14185008 28370016