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30636041 is a prime number
BaseRepresentation
bin111010011011…
…1100000001001
32010122110202012
41310313200021
530320323131
63012345305
7521254622
oct164674011
963573665
1030636041
1116325347
12a315235
136468647
1440d6a49
152a5252b
hex1d37809

30636041 has 2 divisors, whose sum is σ = 30636042. Its totient is φ = 30636040.

The previous prime is 30635993. The next prime is 30636043. The reversal of 30636041 is 14063603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29593600 + 1042441 = 5440^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 30636041 - 218 = 30373897 is a prime.

Together with 30636043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30635998 and 30636016.

It is not a weakly prime, because it can be changed into another prime (30636043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15318020 + 15318021.

It is an arithmetic number, because the mean of its divisors is an integer number (15318021).

Almost surely, 230636041 is an apocalyptic number.

It is an amenable number.

30636041 is a deficient number, since it is larger than the sum of its proper divisors (1).

30636041 is an equidigital number, since it uses as much as digits as its factorization.

30636041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 30636041 is about 5534.9833784755. The cubic root of 30636041 is about 312.9038312004.

Adding to 30636041 its reverse (14063603), we get a palindrome (44699644).

The spelling of 30636041 in words is "thirty million, six hundred thirty-six thousand, forty-one".