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52245143 is a prime number
BaseRepresentation
bin1100011101001…
…1001010010111
310122022022212022
43013103022113
5101333321033
65103443355
71203035126
oct307231227
9118268768
1052245143
1127544605
12155b655b
13aa932b2
146d1dabd
1548c0098
hex31d3297

52245143 has 2 divisors, whose sum is σ = 52245144. Its totient is φ = 52245142.

The previous prime is 52245113. The next prime is 52245169. The reversal of 52245143 is 34154225.

It is a happy number.

It is an a-pointer prime, because the next prime (52245169) can be obtained adding 52245143 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52245143 - 28 = 52244887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52245113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26122571 + 26122572.

It is an arithmetic number, because the mean of its divisors is an integer number (26122572).

Almost surely, 252245143 is an apocalyptic number.

52245143 is a deficient number, since it is larger than the sum of its proper divisors (1).

52245143 is an equidigital number, since it uses as much as digits as its factorization.

52245143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 26.

The square root of 52245143 is about 7228.0801738774. The cubic root of 52245143 is about 373.8367341946.

Adding to 52245143 its reverse (34154225), we get a palindrome (86399368).

The spelling of 52245143 in words is "fifty-two million, two hundred forty-five thousand, one hundred forty-three".