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27028444 = 2213151581
BaseRepresentation
bin110011100011…
…0101111011100
31212212012001111
41213012233130
523404402234
62403151404
7445511062
oct147065734
955765044
1027028444
1114290963
129075564
1357a4581
143838032
15258d664
hex19c6bdc

27028444 has 12 divisors (see below), whose sum is σ = 47661768. Its totient is φ = 13410800.

The previous prime is 27028423. The next prime is 27028447. The reversal of 27028444 is 44482072.

It is a super-2 number, since 2×270284442 = 1461073570122272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27028447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25267 + ... + 26314.

It is an arithmetic number, because the mean of its divisors is an integer number (3971814).

Almost surely, 227028444 is an apocalyptic number.

It is an amenable number.

27028444 is a deficient number, since it is larger than the sum of its proper divisors (20633324).

27028444 is a wasteful number, since it uses less digits than its factorization.

27028444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51716 (or 51714 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 27028444 is about 5198.8887274109. Note that the first 3 decimals coincide. The cubic root of 27028444 is about 300.1053111757.

It can be divided in two parts, 27028 and 444, that added together give a palindrome (27472).

The spelling of 27028444 in words is "twenty-seven million, twenty-eight thousand, four hundred forty-four".

Divisors: 1 2 4 131 262 524 51581 103162 206324 6757111 13514222 27028444