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56180413 is a prime number
BaseRepresentation
bin1101011001001…
…1111010111101
310220201021001001
43112103322331
5103340233123
65324050301
71251345202
oct326237275
9126637031
1056180413
11297921a3
1216993991
13b840563
147665ca9
154deb0ad
hex3593ebd

56180413 has 2 divisors, whose sum is σ = 56180414. Its totient is φ = 56180412.

The previous prime is 56180407. The next prime is 56180417. The reversal of 56180413 is 31408165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40475044 + 15705369 = 6362^2 + 3963^2 .

It is a cyclic number.

It is not a de Polignac number, because 56180413 - 29 = 56179901 is a prime.

It is equal to p3348532 and since 56180413 and 3348532 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56180417) 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, 28090206 + 28090207.

It is an arithmetic number, because the mean of its divisors is an integer number (28090207).

Almost surely, 256180413 is an apocalyptic number.

It is an amenable number.

56180413 is a deficient number, since it is larger than the sum of its proper divisors (1).

56180413 is an equidigital number, since it uses as much as digits as its factorization.

56180413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 56180413 is about 7495.3594310080. The cubic root of 56180413 is about 382.9966504807.

Adding to 56180413 its reverse (31408165), we get a palindrome (87588578).

The spelling of 56180413 in words is "fifty-six million, one hundred eighty thousand, four hundred thirteen".