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252955789 is a prime number
BaseRepresentation
bin11110001001111…
…00110010001101
3122121222111002221
433010330302031
51004224041124
641033415341
76161042302
oct1704746215
9577874087
10252955789
1111a872479
127086a551
1340538ba8
14258490a9
1517319ce4
hexf13cc8d

252955789 has 2 divisors, whose sum is σ = 252955790. Its totient is φ = 252955788.

The previous prime is 252955783. The next prime is 252955823. The reversal of 252955789 is 987559252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223741764 + 29214025 = 14958^2 + 5405^2 .

It is a cyclic number.

It is not a de Polignac number, because 252955789 - 25 = 252955757 is a prime.

It is a super-3 number, since 3×2529557893 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252955783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126477894 + 126477895.

It is an arithmetic number, because the mean of its divisors is an integer number (126477895).

Almost surely, 2252955789 is an apocalyptic number.

It is an amenable number.

252955789 is a deficient number, since it is larger than the sum of its proper divisors (1).

252955789 is an equidigital number, since it uses as much as digits as its factorization.

252955789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268000, while the sum is 52.

The square root of 252955789 is about 15904.5838989896. The cubic root of 252955789 is about 632.4335114224.

The spelling of 252955789 in words is "two hundred fifty-two million, nine hundred fifty-five thousand, seven hundred eighty-nine".