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52020169 is a prime number
BaseRepresentation
bin1100011001110…
…0001111001001
310121212220020221
43012130033021
5101304121134
65054550041
71201110205
oct306341711
9117786227
1052020169
1127400583
1215508321
13aa14a86
146ca1b05
1548785b4
hex319c3c9

52020169 has 2 divisors, whose sum is σ = 52020170. Its totient is φ = 52020168.

The previous prime is 52020149. The next prime is 52020191. The reversal of 52020169 is 96102025.

52020169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52012944 + 7225 = 7212^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 52020169 - 213 = 52011977 is a prime.

It is a super-2 number, since 2×520201692 = 5412195965577122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52020109) 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, 26010084 + 26010085.

It is an arithmetic number, because the mean of its divisors is an integer number (26010085).

Almost surely, 252020169 is an apocalyptic number.

It is an amenable number.

52020169 is a deficient number, since it is larger than the sum of its proper divisors (1).

52020169 is an equidigital number, since it uses as much as digits as its factorization.

52020169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 52020169 is about 7212.5008838821. The cubic root of 52020169 is about 373.2993665065.

It can be divided in two parts, 5202016 and 9, that added together give a palindrome (5202025).

The spelling of 52020169 in words is "fifty-two million, twenty thousand, one hundred sixty-nine".