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27240216 = 2331135009
BaseRepresentation
bin110011111101…
…0011100011000
31220020221112220
41213322130120
523433141331
62411504040
7450352353
oct147723430
956227486
1027240216
1114415a83
129158020
135849a93
14389129a
1525d1296
hex19fa718

27240216 has 16 divisors (see below), whose sum is σ = 68100600. Its totient is φ = 9080064.

The previous prime is 27240203. The next prime is 27240217. The reversal of 27240216 is 61204272.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1135009 = 27240216 / (2 + 7 + 2 + 4 + 0 + 2 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27240217) 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, 567481 + ... + 567528.

Almost surely, 227240216 is an apocalyptic number.

It is an amenable number.

27240216 is an abundant number, since it is smaller than the sum of its proper divisors (40860384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27240216 is a wasteful number, since it uses less digits than its factorization.

27240216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135018 (or 1135014 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 27240216 is about 5219.2160330839. The cubic root of 27240216 is about 300.8870633656.

Adding to 27240216 its reverse (61204272), we get a palindrome (88444488).

The spelling of 27240216 in words is "twenty-seven million, two hundred forty thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 1135009 2270018 3405027 4540036 6810054 9080072 13620108 27240216