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52928881 is a prime number
BaseRepresentation
bin1100100111101…
…0000101110001
310200121001202221
43021322011301
5102022211011
65130241041
71211613415
oct311720561
9120531687
1052928881
1127971285
1215886181
13ac72585
14705ad45
1549a7971
hex327a171

52928881 has 2 divisors, whose sum is σ = 52928882. Its totient is φ = 52928880.

The previous prime is 52928849. The next prime is 52928891. The reversal of 52928881 is 18882925.

52928881 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., 33744481 + 19184400 = 5809^2 + 4380^2 .

It is a cyclic number.

It is not a de Polignac number, because 52928881 - 25 = 52928849 is a prime.

It is a super-2 number, since 2×529288812 = 5602932887824322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52928801) 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, 26464440 + 26464441.

It is an arithmetic number, because the mean of its divisors is an integer number (26464441).

Almost surely, 252928881 is an apocalyptic number.

It is an amenable number.

52928881 is a deficient number, since it is larger than the sum of its proper divisors (1).

52928881 is an equidigital number, since it uses as much as digits as its factorization.

52928881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 43.

The square root of 52928881 is about 7275.2237766271. The cubic root of 52928881 is about 375.4604855692.

The spelling of 52928881 in words is "fifty-two million, nine hundred twenty-eight thousand, eight hundred eighty-one".