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28205114 = 272014651
BaseRepresentation
bin110101110011…
…0000000111010
31222001222010212
41223212000322
524210030424
62444311122
7461511440
oct153460072
958058125
1028205114
1114a14a13
1295424a2
135ac7022
143a62b90
15272210e
hex1ae603a

28205114 has 8 divisors (see below), whose sum is σ = 48351648. Its totient is φ = 12087900.

The previous prime is 28205087. The next prime is 28205147. The reversal of 28205114 is 41150282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28205114.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007312 + ... + 1007339.

It is an arithmetic number, because the mean of its divisors is an integer number (6043956).

Almost surely, 228205114 is an apocalyptic number.

28205114 is a deficient number, since it is larger than the sum of its proper divisors (20146534).

28205114 is a wasteful number, since it uses less digits than its factorization.

28205114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014660.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 28205114 is about 5310.8487080692. The cubic root of 28205114 is about 304.3985783561.

Adding to 28205114 its reverse (41150282), we get a palindrome (69355396).

The spelling of 28205114 in words is "twenty-eight million, two hundred five thousand, one hundred fourteen".

Divisors: 1 2 7 14 2014651 4029302 14102557 28205114