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52285769 is a prime number
BaseRepresentation
bin1100011101110…
…1000101001001
310122101101120222
43013131011021
5101341121034
65104355425
71203264434
oct307350511
9118341528
1052285769
1127572088
1215615b75
13aaa8933
146d3081b
1548cc12e
hex31dd149

52285769 has 2 divisors, whose sum is σ = 52285770. Its totient is φ = 52285768.

The previous prime is 52285733. The next prime is 52285771. The reversal of 52285769 is 96758225.

52285769 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., 36445369 + 15840400 = 6037^2 + 3980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52285769 is a prime.

It is a super-2 number, since 2×522857692 = 5467603279842722, which contains 22 as substring.

Together with 52285771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52285789) 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, 26142884 + 26142885.

It is an arithmetic number, because the mean of its divisors is an integer number (26142885).

Almost surely, 252285769 is an apocalyptic number.

It is an amenable number.

52285769 is a deficient number, since it is larger than the sum of its proper divisors (1).

52285769 is an equidigital number, since it uses as much as digits as its factorization.

52285769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The square root of 52285769 is about 7230.8899175689. The cubic root of 52285769 is about 373.9336079924.

The spelling of 52285769 in words is "fifty-two million, two hundred eighty-five thousand, seven hundred sixty-nine".