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252214279 is a prime number
BaseRepresentation
bin11110000100001…
…11110000000111
3122120120210221121
433002013300013
51004031324104
641005454411
76151533412
oct1702076007
9576523847
10252214279
1111a406359
1270571407
1340339525
14256d4b79
1517220254
hexf087c07

252214279 has 2 divisors, whose sum is σ = 252214280. Its totient is φ = 252214278.

The previous prime is 252214231. The next prime is 252214283. The reversal of 252214279 is 972412252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252214279 - 215 = 252181511 is a prime.

It is a super-2 number, since 2×2522142792 = 127224085062979682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252214289) 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, 126107139 + 126107140.

It is an arithmetic number, because the mean of its divisors is an integer number (126107140).

Almost surely, 2252214279 is an apocalyptic number.

252214279 is a deficient number, since it is larger than the sum of its proper divisors (1).

252214279 is an equidigital number, since it uses as much as digits as its factorization.

252214279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 252214279 is about 15881.2555863823. The cubic root of 252214279 is about 631.8149385721.

The spelling of 252214279 in words is "two hundred fifty-two million, two hundred fourteen thousand, two hundred seventy-nine".