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27008901 = 3225711677
BaseRepresentation
bin110011100000…
…1111110000101
31212211012020200
41213001332011
523403241101
62402521113
7445400103
oct147017605
955735220
1027008901
1114278207
129066199
1357986ca
143830c73
152587986
hex19c1f85

27008901 has 12 divisors (see below), whose sum is σ = 39168012. Its totient is φ = 17934336.

The previous prime is 27008887. The next prime is 27008911. The reversal of 27008901 is 10980072.

It can be written as a sum of positive squares in 2 ways, for example, as 25250625 + 1758276 = 5025^2 + 1326^2 .

It is not a de Polignac number, because 27008901 - 26 = 27008837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27008911) 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 11 ways as a sum of consecutive naturals, for example, 3526 + ... + 8151.

It is an arithmetic number, because the mean of its divisors is an integer number (3264001).

Almost surely, 227008901 is an apocalyptic number.

It is an amenable number.

27008901 is a deficient number, since it is larger than the sum of its proper divisors (12159111).

27008901 is a wasteful number, since it uses less digits than its factorization.

27008901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940 (or 11937 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 27008901 is about 5197.0088512528. The cubic root of 27008901 is about 300.0329630447.

Adding to 27008901 its reverse (10980072), we get a palindrome (37988973).

The spelling of 27008901 in words is "twenty-seven million, eight thousand, nine hundred one".

Divisors: 1 3 9 257 771 2313 11677 35031 105093 3000989 9002967 27008901