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27202013 is a prime number
BaseRepresentation
bin110011111000…
…1000111011101
31220012000010222
41213301013131
523430431023
62411011125
7450133106
oct147610735
956160128
1027202013
111439a303
129139aa5
135835587
1438813ad
1525c4cc8
hex19f11dd

27202013 has 2 divisors, whose sum is σ = 27202014. Its totient is φ = 27202012.

The previous prime is 27201961. The next prime is 27202033. The reversal of 27202013 is 31020272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15077689 + 12124324 = 3883^2 + 3482^2 .

It is a cyclic number.

It is not a de Polignac number, because 27202013 - 26 = 27201949 is a prime.

It is a super-2 number, since 2×272020132 = 1479899022504338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27201982 and 27202000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27202033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13601006 + 13601007.

It is an arithmetic number, because the mean of its divisors is an integer number (13601007).

Almost surely, 227202013 is an apocalyptic number.

It is an amenable number.

27202013 is a deficient number, since it is larger than the sum of its proper divisors (1).

27202013 is an equidigital number, since it uses as much as digits as its factorization.

27202013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 27202013 is about 5215.5549081569. The cubic root of 27202013 is about 300.7463380218.

Adding to 27202013 its reverse (31020272), we get a palindrome (58222285).

The spelling of 27202013 in words is "twenty-seven million, two hundred two thousand, thirteen".