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27108108 = 22351672
BaseRepresentation
bin110011101101…
…0001100001100
31220000020100000
41213122030030
523414424413
62405004300
7446262246
oct147321414
956006300
1027108108
11143357a5
1290b3690
135801901
143859096
1525a7073
hex19da30c

27108108 has 54 divisors (see below), whose sum is σ = 71489236. Its totient is φ = 8981928.

The previous prime is 27108101. The next prime is 27108119. The reversal of 27108108 is 80180172.

27108108 = 3172 + 3182 + ... + 4832.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (54).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (27108101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 162241 + ... + 162407.

Almost surely, 227108108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27108108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35744618).

27108108 is an abundant number, since it is smaller than the sum of its proper divisors (44381128).

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

27108108 is an equidigital number, since it uses as much as digits as its factorization.

27108108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 27108108 is about 5206.5447275520. The cubic root of 27108108 is about 300.3998667850.

Multiplying 27108108 by its sum of digits (27), we get a square (731918916 = 270542).

27108108 divided by its sum of digits (27) gives a square (1004004 = 10022).

The spelling of 27108108 in words is "twenty-seven million, one hundred eight thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 167 243 324 334 486 501 668 972 1002 1503 2004 3006 4509 6012 9018 13527 18036 27054 27889 40581 54108 55778 81162 83667 111556 162324 167334 251001 334668 502002 753003 1004004 1506006 2259009 3012012 4518018 6777027 9036036 13554054 27108108