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52297769 is a prime number
BaseRepresentation
bin1100011110000…
…0000000101001
310122102000001102
43013200000221
5101342012034
65104531145
71203344426
oct307400051
9118360042
1052297769
11275800a7
1215620ab5
13aab1234
146d34d4d
1548d097e
hex31e0029

52297769 has 2 divisors, whose sum is σ = 52297770. Its totient is φ = 52297768.

The previous prime is 52297733. The next prime is 52297771. The reversal of 52297769 is 96779225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52027369 + 270400 = 7213^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 52297769 - 220 = 51249193 is a prime.

It is a super-2 number, since 2×522977692 = 5470113284754722, which contains 22 as substring.

Together with 52297771, 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 (52297369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26148884 + 26148885.

It is an arithmetic number, because the mean of its divisors is an integer number (26148885).

Almost surely, 252297769 is an apocalyptic number.

It is an amenable number.

52297769 is a deficient number, since it is larger than the sum of its proper divisors (1).

52297769 is an equidigital number, since it uses as much as digits as its factorization.

52297769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 47.

The square root of 52297769 is about 7231.7196433490. The cubic root of 52297769 is about 373.9622127169.

The spelling of 52297769 in words is "fifty-two million, two hundred ninety-seven thousand, seven hundred sixty-nine".