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252948617 is a prime number
BaseRepresentation
bin11110001001110…
…11000010001001
3122121222010021022
433010323002021
51004223323432
641033322225
76161012345
oct1704730211
9577863238
10252948617
1111a868049
1270866375
134053584c
1425846625
1517317b12
hexf13b089

252948617 has 2 divisors, whose sum is σ = 252948618. Its totient is φ = 252948616.

The previous prime is 252948607. The next prime is 252948629. The reversal of 252948617 is 716849252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166384201 + 86564416 = 12899^2 + 9304^2 .

It is a cyclic number.

It is not a de Polignac number, because 252948617 - 24 = 252948601 is a prime.

It is a super-3 number, since 3×2529486173 (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (252948607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126474308 + 126474309.

It is an arithmetic number, because the mean of its divisors is an integer number (126474309).

Almost surely, 2252948617 is an apocalyptic number.

It is an amenable number.

252948617 is a deficient number, since it is larger than the sum of its proper divisors (1).

252948617 is an equidigital number, since it uses as much as digits as its factorization.

252948617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 252948617 is about 15904.3584278021. The cubic root of 252948617 is about 632.4275342831.

The spelling of 252948617 in words is "two hundred fifty-two million, nine hundred forty-eight thousand, six hundred seventeen".