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27160420 = 2257194003
BaseRepresentation
bin110011110011…
…0111101100100
31220002220002111
41213212331210
523423113140
62410050404
7446600620
oct147467544
956086074
1027160420
1114371031
129119a04
13581c671
143870180
1525b77ea
hex19e6f64

27160420 has 24 divisors (see below), whose sum is σ = 65185344. Its totient is φ = 9312096.

The previous prime is 27160363. The next prime is 27160421. The reversal of 27160420 is 2406172.

It is a junction number, because it is equal to n+sod(n) for n = 27160391 and 27160400.

It is not an unprimeable number, because it can be changed into a prime (27160421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96862 + ... + 97141.

It is an arithmetic number, because the mean of its divisors is an integer number (2716056).

Almost surely, 227160420 is an apocalyptic number.

27160420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27160420 is an abundant number, since it is smaller than the sum of its proper divisors (38024924).

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

27160420 is a wasteful number, since it uses less digits than its factorization.

27160420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194019 (or 194017 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 27160420 is about 5211.5659834641. The cubic root of 27160420 is about 300.5929753102.

Adding to 27160420 its reverse (2406172), we get a palindrome (29566592).

The spelling of 27160420 in words is "twenty-seven million, one hundred sixty thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 194003 388006 776012 970015 1358021 1940030 2716042 3880060 5432084 6790105 13580210 27160420