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252802769 is a prime number
BaseRepresentation
bin11110001000101…
…11011011010001
3122121200201012112
433010113123101
51004204142034
641030235105
76156534212
oct1704273321
9577621175
10252802769
1111a77850a
12707b5a95
13404b434b
1425809409
15172d97ce
hexf1176d1

252802769 has 2 divisors, whose sum is σ = 252802770. Its totient is φ = 252802768.

The previous prime is 252802709. The next prime is 252802783. The reversal of 252802769 is 967208252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248850625 + 3952144 = 15775^2 + 1988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252802769 is a prime.

It is a super-2 number, since 2×2528027692 = 127818480028134722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252802709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126401384 + 126401385.

It is an arithmetic number, because the mean of its divisors is an integer number (126401385).

Almost surely, 2252802769 is an apocalyptic number.

It is an amenable number.

252802769 is a deficient number, since it is larger than the sum of its proper divisors (1).

252802769 is an equidigital number, since it uses as much as digits as its factorization.

252802769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 252802769 is about 15899.7726084369. The cubic root of 252802769 is about 632.3059601524.

The spelling of 252802769 in words is "two hundred fifty-two million, eight hundred two thousand, seven hundred sixty-nine".