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52155013 is a prime number
BaseRepresentation
bin1100011011110…
…1001010000101
310122010202020011
43012331022011
5101322430023
65101510221
71202211301
oct306751205
9118122204
1052155013
1127492919
1215572371
13aa61271
146cd8d01
1548a350d
hex31bd285

52155013 has 2 divisors, whose sum is σ = 52155014. Its totient is φ = 52155012.

The previous prime is 52154987. The next prime is 52155023. The reversal of 52155013 is 31055125.

52155013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41383489 + 10771524 = 6433^2 + 3282^2 .

It is a cyclic number.

It is not a de Polignac number, because 52155013 - 213 = 52146821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52155023) 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 as a sum of consecutive naturals, namely, 26077506 + 26077507.

It is an arithmetic number, because the mean of its divisors is an integer number (26077507).

Almost surely, 252155013 is an apocalyptic number.

It is an amenable number.

52155013 is a deficient number, since it is larger than the sum of its proper divisors (1).

52155013 is an equidigital number, since it uses as much as digits as its factorization.

52155013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 52155013 is about 7221.8427703738. The cubic root of 52155013 is about 373.6216373325.

The spelling of 52155013 in words is "fifty-two million, one hundred fifty-five thousand, thirteen".