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28113314 = 2234361233
BaseRepresentation
bin110101100111…
…1100110100010
31221220022012212
41223033212202
524144111224
62442322122
7460650005
oct153174642
957808185
1028113314
1114961a49
1294b9342
135a942c8
143a3b53c
152704d0e
hex1acf9a2

28113314 has 32 divisors (see below), whose sum is σ = 45961344. Its totient is φ = 12862080.

The previous prime is 28113313. The next prime is 28113329. The reversal of 28113314 is 41331182.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 28113314.

It is not an unprimeable number, because it can be changed into a prime (28113313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120542 + ... + 120774.

It is an arithmetic number, because the mean of its divisors is an integer number (1436292).

Almost surely, 228113314 is an apocalyptic number.

28113314 is a deficient number, since it is larger than the sum of its proper divisors (17848030).

28113314 is a wasteful number, since it uses less digits than its factorization.

28113314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its digits is 576, while the sum is 23.

The square root of 28113314 is about 5302.1989777827. The cubic root of 28113314 is about 304.0679744697.

Adding to 28113314 its reverse (41331182), we get a palindrome (69444496).

The spelling of 28113314 in words is "twenty-eight million, one hundred thirteen thousand, three hundred fourteen".

Divisors: 1 2 23 43 46 61 86 122 233 466 989 1403 1978 2623 2806 5246 5359 10019 10718 14213 20038 28426 60329 120658 230437 326899 460874 611159 653798 1222318 14056657 28113314