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27028233 = 3223312889
BaseRepresentation
bin110011100011…
…0101100001001
31212212011202200
41213012230021
523404400413
62403150413
7445510341
oct147065411
955764680
1027028233
1114290791
129075409
1357a444b
143837d21
15258d573
hex19c6b09

27028233 has 12 divisors (see below), whose sum is σ = 39211380. Its totient is φ = 17940096.

The previous prime is 27028231. The next prime is 27028237. The reversal of 27028233 is 33282072.

It can be written as a sum of positive squares in 2 ways, for example, as 11370384 + 15657849 = 3372^2 + 3957^2 .

It is not a de Polignac number, because 27028233 - 21 = 27028231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27028197 and 27028206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27028231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4348 + ... + 8541.

It is an arithmetic number, because the mean of its divisors is an integer number (3267615).

Almost surely, 227028233 is an apocalyptic number.

It is an amenable number.

27028233 is a deficient number, since it is larger than the sum of its proper divisors (12183147).

27028233 is a wasteful number, since it uses less digits than its factorization.

27028233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13128 (or 13125 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 27028233 is about 5198.8684345730. The cubic root of 27028233 is about 300.1045302405.

It can be divided in two parts, 27028 and 233, that added together give a triangular number (27261 = T233).

The spelling of 27028233 in words is "twenty-seven million, twenty-eight thousand, two hundred thirty-three".

Divisors: 1 3 9 233 699 2097 12889 38667 116001 3003137 9009411 27028233