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41220013 is a prime number
BaseRepresentation
bin1001110100111…
…1011110101101
32212120012020011
42131033132231
541023020023
64031253221
71010235652
oct235173655
985505204
1041220013
11212a422a
121197a211
138702c53
14568dc29
15394350d
hex274f7ad

41220013 has 2 divisors, whose sum is σ = 41220014. Its totient is φ = 41220012.

The previous prime is 41220007. The next prime is 41220037. The reversal of 41220013 is 31002214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33143049 + 8076964 = 5757^2 + 2842^2 .

It is a cyclic number.

It is not a de Polignac number, because 41220013 - 221 = 39122861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41219975 and 41220002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41220073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20610006 + 20610007.

It is an arithmetic number, because the mean of its divisors is an integer number (20610007).

Almost surely, 241220013 is an apocalyptic number.

It is an amenable number.

41220013 is a deficient number, since it is larger than the sum of its proper divisors (1).

41220013 is an equidigital number, since it uses as much as digits as its factorization.

41220013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 41220013 is about 6420.2813801266. The cubic root of 41220013 is about 345.4374147952.

Adding to 41220013 its reverse (31002214), we get a palindrome (72222227).

The spelling of 41220013 in words is "forty-one million, two hundred twenty thousand, thirteen".