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27104240 = 245338803
BaseRepresentation
bin110011101100…
…1001111110000
31220000001000202
41213121033300
523414313430
62404534332
7446245052
oct147311760
956001022
1027104240
11143328a9
1290b13a8
1357ccc17
1438578d2
1525a5d45
hex19d93f0

27104240 has 20 divisors (see below), whose sum is σ = 63017544. Its totient is φ = 10841664.

The previous prime is 27104227. The next prime is 27104249. The reversal of 27104240 is 4240172.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27104249) 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, 169322 + ... + 169481.

Almost surely, 227104240 is an apocalyptic number.

27104240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27104240 is an abundant number, since it is smaller than the sum of its proper divisors (35913304).

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

27104240 is a wasteful number, since it uses less digits than its factorization.

27104240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338816 (or 338810 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 27104240 is about 5206.1732587381. The cubic root of 27104240 is about 300.3855782930.

The spelling of 27104240 in words is "twenty-seven million, one hundred four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 338803 677606 1355212 1694015 2710424 3388030 5420848 6776060 13552120 27104240