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252001429 is a prime number
BaseRepresentation
bin11110000010100…
…11110010010101
3122120011222222021
433001103302111
51004003021204
641001133141
76146656021
oct1701236225
9576158867
10252001429
1111a280449
127048a1b1
1340293694
142567b381
15171cc154
hexf053c95

252001429 has 2 divisors, whose sum is σ = 252001430. Its totient is φ = 252001428.

The previous prime is 252001381. The next prime is 252001439. The reversal of 252001429 is 924100252.

252001429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230979204 + 21022225 = 15198^2 + 4585^2 .

It is a cyclic number.

It is not a de Polignac number, because 252001429 - 223 = 243612821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252001439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126000714 + 126000715.

It is an arithmetic number, because the mean of its divisors is an integer number (126000715).

Almost surely, 2252001429 is an apocalyptic number.

It is an amenable number.

252001429 is a deficient number, since it is larger than the sum of its proper divisors (1).

252001429 is an equidigital number, since it uses as much as digits as its factorization.

252001429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 252001429 is about 15874.5528755931. The cubic root of 252001429 is about 631.6371536890.

The spelling of 252001429 in words is "two hundred fifty-two million, one thousand, four hundred twenty-nine".