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512552269 is a prime number
BaseRepresentation
bin11110100011001…
…110110101001101
31022201110100112101
4132203032311031
52022203133034
6122505435101
715462423325
oct3643166515
91281410471
10512552269
11243360119
1212379ba91
138225b588
144c102285
152eee7514
hex1e8ced4d

512552269 has 2 divisors, whose sum is σ = 512552270. Its totient is φ = 512552268.

The previous prime is 512552267. The next prime is 512552281. The reversal of 512552269 is 962255215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447830244 + 64722025 = 21162^2 + 8045^2 .

It is a cyclic number.

It is not a de Polignac number, because 512552269 - 21 = 512552267 is a prime.

It is a super-2 number, since 2×5125522692 = 525419656914096722, which contains 22 as substring.

Together with 512552267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512552267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256276134 + 256276135.

It is an arithmetic number, because the mean of its divisors is an integer number (256276135).

Almost surely, 2512552269 is an apocalyptic number.

It is an amenable number.

512552269 is a deficient number, since it is larger than the sum of its proper divisors (1).

512552269 is an equidigital number, since it uses as much as digits as its factorization.

512552269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

The square root of 512552269 is about 22639.6172449978. The cubic root of 512552269 is about 800.2875367451.

The spelling of 512552269 in words is "five hundred twelve million, five hundred fifty-two thousand, two hundred sixty-nine".