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27093987 = 336131637
BaseRepresentation
bin110011101011…
…0101111100011
31212222111222000
41213112233203
523414001422
62404415043
7446203134
oct147265743
955874860
1027093987
1114326128
1290a7483
1357c835b
143853c8b
1525a2cac
hex19d6be3

27093987 has 16 divisors (see below), whose sum is σ = 40229280. Its totient is φ = 18022176.

The previous prime is 27093973. The next prime is 27094013. The reversal of 27093987 is 78939072.

It is not a de Polignac number, because 27093987 - 210 = 27092963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27093947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15733 + ... + 17369.

It is an arithmetic number, because the mean of its divisors is an integer number (2514330).

Almost surely, 227093987 is an apocalyptic number.

27093987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27093987 is a deficient number, since it is larger than the sum of its proper divisors (13135293).

27093987 is a wasteful number, since it uses less digits than its factorization.

27093987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 27093987 is about 5205.1884692103. The cubic root of 27093987 is about 300.3476968673.

The spelling of 27093987 in words is "twenty-seven million, ninety-three thousand, nine hundred eighty-seven".

Divisors: 1 3 9 27 613 1637 1839 4911 5517 14733 16551 44199 1003481 3010443 9031329 27093987