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27093231 = 331128293
BaseRepresentation
bin110011101011…
…0100011101111
31212222110221000
41213112203233
523413440411
62404411343
7446201004
oct147264357
955873830
1027093231
1114325600
1290a6b53
1357c7bc9
1438538ab
1525a2956
hex19d68ef

27093231 has 24 divisors (see below), whose sum is σ = 44124080. Its totient is φ = 16418160.

The previous prime is 27093217. The next prime is 27093233. The reversal of 27093231 is 13239072.

It is not a de Polignac number, because 27093231 - 213 = 27085039 is a prime.

It is a super-2 number, since 2×270932312 = 1468086332038722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) 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 (27).

It is a junction number, because it is equal to n+sod(n) for n = 27093195 and 27093204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27093233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 880 + ... + 7413.

Almost surely, 227093231 is an apocalyptic number.

27093231 is a deficient number, since it is larger than the sum of its proper divisors (17030849).

27093231 is a wasteful number, since it uses less digits than its factorization.

27093231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8324 (or 8307 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 27093231 is about 5205.1158488549. The cubic root of 27093231 is about 300.3449033204.

The spelling of 27093231 in words is "twenty-seven million, ninety-three thousand, two hundred thirty-one".

Divisors: 1 3 9 11 27 33 99 121 297 363 1089 3267 8293 24879 74637 91223 223911 273669 821007 1003453 2463021 3010359 9031077 27093231