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52572761 is a prime number
BaseRepresentation
bin1100100010001…
…1001001011001
310122220222021022
43020203021121
5101424312021
65114452225
71205601233
oct310431131
9118828238
1052572761
112774876a
1215734075
13ab79457
146da7253
1549371ab
hex3223259

52572761 has 2 divisors, whose sum is σ = 52572762. Its totient is φ = 52572760.

The previous prime is 52572749. The next prime is 52572787. The reversal of 52572761 is 16727525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43811161 + 8761600 = 6619^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 52572761 - 218 = 52310617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52572161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26286380 + 26286381.

It is an arithmetic number, because the mean of its divisors is an integer number (26286381).

Almost surely, 252572761 is an apocalyptic number.

It is an amenable number.

52572761 is a deficient number, since it is larger than the sum of its proper divisors (1).

52572761 is an equidigital number, since it uses as much as digits as its factorization.

52572761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 52572761 is about 7250.7076206395. The cubic root of 52572761 is about 374.6165229509.

The spelling of 52572761 in words is "fifty-two million, five hundred seventy-two thousand, seven hundred sixty-one".