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28108126 = 253283937
BaseRepresentation
bin110101100111…
…0010101011110
31221220001002201
41223032111132
524143430001
62442242114
7460625614
oct153162536
957801081
1028108126
1114959062
1294b633a
135a91b37
143a396b4
152703501
hex1ace55e

28108126 has 16 divisors (see below), whose sum is σ = 43155504. Its totient is φ = 13725504.

The previous prime is 28108109. The next prime is 28108177. The reversal of 28108126 is 62180182.

It is a junction number, because it is equal to n+sod(n) for n = 28108094 and 28108103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29530 + ... + 30466.

It is an arithmetic number, because the mean of its divisors is an integer number (2697219).

Almost surely, 228108126 is an apocalyptic number.

28108126 is a deficient number, since it is larger than the sum of its proper divisors (15047378).

28108126 is a wasteful number, since it uses less digits than its factorization.

28108126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 28108126 is about 5301.7097242305. The cubic root of 28108126 is about 304.0492691960.

The spelling of 28108126 in words is "twenty-eight million, one hundred eight thousand, one hundred twenty-six".

Divisors: 1 2 53 106 283 566 937 1874 14999 29998 49661 99322 265171 530342 14054063 28108126