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27030220 = 2257193073
BaseRepresentation
bin110011100011…
…1001011001100
31212212021111021
41213013023030
523404431340
62403203524
7445516210
oct147071314
955767437
1027030220
1114292228
1290765a4
1357a5319
143838940
15258de4a
hex19c72cc

27030220 has 24 divisors (see below), whose sum is σ = 64872864. Its totient is φ = 9267456.

The previous prime is 27030181. The next prime is 27030247. The reversal of 27030220 is 2203072.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27030194 and 27030203.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 96397 + ... + 96676.

It is an arithmetic number, because the mean of its divisors is an integer number (2703036).

Almost surely, 227030220 is an apocalyptic number.

27030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27030220 is an abundant number, since it is smaller than the sum of its proper divisors (37842644).

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

27030220 is a wasteful number, since it uses less digits than its factorization.

27030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193089 (or 193087 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 27030220 is about 5199.0595303382. The cubic root of 27030220 is about 300.1118841938. Note that the first 3 decimals are identical.

Adding to 27030220 its reverse (2203072), we get a palindrome (29233292).

The spelling of 27030220 in words is "twenty-seven million, thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 193073 386146 772292 965365 1351511 1930730 2703022 3861460 5406044 6757555 13515110 27030220