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252795449 is a prime number
BaseRepresentation
bin11110001000101…
…01101000111001
3122121200100011102
433010111220321
51004203423244
641030141145
76156503654
oct1704255071
9577610142
10252795449
1111a772a65
12707b17b5
13404b0c0a
142580689b
15172d754e
hexf115a39

252795449 has 2 divisors, whose sum is σ = 252795450. Its totient is φ = 252795448.

The previous prime is 252795443. The next prime is 252795493. The reversal of 252795449 is 944597252.

It is a happy number.

252795449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220225600 + 32569849 = 14840^2 + 5707^2 .

It is a cyclic number.

It is not a de Polignac number, because 252795449 - 212 = 252791353 is a prime.

It is a super-2 number, since 2×2527954492 = 127811078070223202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252795443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126397724 + 126397725.

It is an arithmetic number, because the mean of its divisors is an integer number (126397725).

Almost surely, 2252795449 is an apocalyptic number.

It is an amenable number.

252795449 is a deficient number, since it is larger than the sum of its proper divisors (1).

252795449 is an equidigital number, since it uses as much as digits as its factorization.

252795449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The square root of 252795449 is about 15899.5424147992. The cubic root of 252795449 is about 632.2998572072.

The spelling of 252795449 in words is "two hundred fifty-two million, seven hundred ninety-five thousand, four hundred forty-nine".