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27125320 = 235678133
BaseRepresentation
bin110011101111…
…0011001001000
31220001002221111
41213132121020
523421002240
62405220104
7446363365
oct147363110
956032844
1027125320
1114347722
129101634
1358096b1
14386146c
1525ac1ea
hex19de648

27125320 has 16 divisors (see below), whose sum is σ = 61032060. Its totient is φ = 10850112.

The previous prime is 27125299. The next prime is 27125321. The reversal of 27125320 is 2352172.

It can be written as a sum of positive squares in 2 ways, for example, as 27060804 + 64516 = 5202^2 + 254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27125291 and 27125300.

It is not an unprimeable number, because it can be changed into a prime (27125321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339027 + ... + 339106.

Almost surely, 227125320 is an apocalyptic number.

27125320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27125320 is an abundant number, since it is smaller than the sum of its proper divisors (33906740).

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

27125320 is a wasteful number, since it uses less digits than its factorization.

27125320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678144 (or 678140 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 27125320 is about 5208.1973848924. The cubic root of 27125320 is about 300.4634318825.

Adding to 27125320 its reverse (2352172), we get a palindrome (29477492).

The spelling of 27125320 in words is "twenty-seven million, one hundred twenty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 678133 1356266 2712532 3390665 5425064 6781330 13562660 27125320