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28014200 = 2352140071
BaseRepresentation
bin110101011011…
…1011001111000
31221201021020222
41222313121320
524132423300
62440235212
7460055024
oct152673170
957637228
1028014200
11148a4535
12946bb08
135a5b166
143a13384
1526d5785
hex1ab7678

28014200 has 24 divisors (see below), whose sum is σ = 65133480. Its totient is φ = 11205600.

The previous prime is 28014197. The next prime is 28014221. The reversal of 28014200 is 241082.

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, 69836 + ... + 70235.

It is an arithmetic number, because the mean of its divisors is an integer number (2713895).

Almost surely, 228014200 is an apocalyptic number.

28014200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28014200 is an abundant number, since it is smaller than the sum of its proper divisors (37119280).

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

28014200 is a wasteful number, since it uses less digits than its factorization.

28014200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140087 (or 140078 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 28014200 is about 5292.8442259337. The cubic root of 28014200 is about 303.7102213259.

Adding to 28014200 its reverse (241082), we get a palindrome (28255282).

The spelling of 28014200 in words is "twenty-eight million, fourteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 140071 280142 560284 700355 1120568 1400710 2801420 3501775 5602840 7003550 14007100 28014200