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52668269 is a prime number
BaseRepresentation
bin1100100011101…
…0011101101101
310200002211021122
43020322131231
5101440341034
65120510325
71206446543
oct310723555
9120084248
1052668269
11278034a5
121577b3a5
13abb0a74
146dcdd93
15495562e
hex323a76d

52668269 has 2 divisors, whose sum is σ = 52668270. Its totient is φ = 52668268.

The previous prime is 52668257. The next prime is 52668271. The reversal of 52668269 is 96286625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46063369 + 6604900 = 6787^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 52668269 - 212 = 52664173 is a prime.

It is a super-2 number, since 2×526682692 = 5547893118912722, which contains 22 as substring.

Together with 52668271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52668299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26334134 + 26334135.

It is an arithmetic number, because the mean of its divisors is an integer number (26334135).

Almost surely, 252668269 is an apocalyptic number.

It is an amenable number.

52668269 is a deficient number, since it is larger than the sum of its proper divisors (1).

52668269 is an equidigital number, since it uses as much as digits as its factorization.

52668269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 52668269 is about 7257.2907479307. The cubic root of 52668269 is about 374.8432387745.

The spelling of 52668269 in words is "fifty-two million, six hundred sixty-eight thousand, two hundred sixty-nine".