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27313227 = 331011601
BaseRepresentation
bin110100000110…
…0010001001011
31220101122201000
41220030101023
523443010402
62413230043
7451105254
oct150142113
956348630
1027313227
1114465917
129192323
135874096
1438adb2b
1525e7c1c
hex1a0c44b

27313227 has 8 divisors (see below), whose sum is σ = 40464080. Its totient is φ = 18208800.

The previous prime is 27313219. The next prime is 27313229. The reversal of 27313227 is 72231372.

It is a happy number.

It is not a de Polignac number, because 27313227 - 23 = 27313219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1011601 = 27313227 / (2 + 7 + 3 + 1 + 3 + 2 + 2 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27313227.

It is not an unprimeable number, because it can be changed into a prime (27313229) 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, 505774 + ... + 505827.

It is an arithmetic number, because the mean of its divisors is an integer number (5058010).

Almost surely, 227313227 is an apocalyptic number.

27313227 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27313227 is a deficient number, since it is larger than the sum of its proper divisors (13150853).

27313227 is a wasteful number, since it uses less digits than its factorization.

27313227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011610 (or 1011604 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 27313227 is about 5226.2057938814. The cubic root of 27313227 is about 301.1556425845.

Adding to 27313227 its reverse (72231372), we get a palindrome (99544599).

The spelling of 27313227 in words is "twenty-seven million, three hundred thirteen thousand, two hundred twenty-seven".

Divisors: 1 3 9 27 1011601 3034803 9104409 27313227