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27242238 = 2319238967
BaseRepresentation
bin110011111101…
…0111011111110
31220021001022210
41213322323332
523433222423
62411521250
7450361302
oct147727376
956231283
1027242238
1114417551
129159226
13584a98a
143891d02
1525d1b93
hex19faefe

27242238 has 16 divisors (see below), whose sum is σ = 57352320. Its totient is φ = 8602776.

The previous prime is 27242233. The next prime is 27242239. The reversal of 27242238 is 83224272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27242231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119370 + ... + 119597.

It is an arithmetic number, because the mean of its divisors is an integer number (3584520).

Almost surely, 227242238 is an apocalyptic number.

27242238 is an abundant number, since it is smaller than the sum of its proper divisors (30110082).

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

27242238 is a wasteful number, since it uses less digits than its factorization.

27242238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238991.

The product of its digits is 10752, while the sum is 30.

The square root of 27242238 is about 5219.4097367423. The cubic root of 27242238 is about 300.8945079785.

The spelling of 27242238 in words is "twenty-seven million, two hundred forty-two thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 19 38 57 114 238967 477934 716901 1433802 4540373 9080746 13621119 27242238