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27513412 = 22174011009
BaseRepresentation
bin110100011110…
…1001001000100
31220202211022021
41220331021010
524020412122
62421412524
7452601013
oct150751104
956684267
1027513412
1114592263
12926a144
135914234
143922a7a
1526371c7
hex1a3d244

27513412 has 24 divisors (see below), whose sum is σ = 51158520. Its totient is φ = 12902400.

The previous prime is 27513403. The next prime is 27513427. The reversal of 27513412 is 21431572.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13719616 + 13793796 = 3704^2 + 3714^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26764 + ... + 27772.

It is an arithmetic number, because the mean of its divisors is an integer number (2131605).

Almost surely, 227513412 is an apocalyptic number.

It is an amenable number.

27513412 is a deficient number, since it is larger than the sum of its proper divisors (23645108).

27513412 is a wasteful number, since it uses less digits than its factorization.

27513412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1429 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 27513412 is about 5245.3228689948. The cubic root of 27513412 is about 301.8895989893.

Adding to 27513412 its reverse (21431572), we get a palindrome (48944984).

The spelling of 27513412 in words is "twenty-seven million, five hundred thirteen thousand, four hundred twelve".

Divisors: 1 2 4 17 34 68 401 802 1009 1604 2018 4036 6817 13634 17153 27268 34306 68612 404609 809218 1618436 6878353 13756706 27513412