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252162971 is a prime number
BaseRepresentation
bin11110000011110…
…11001110011011
3122120111012120022
433001323032123
51004023203341
641004421055
76151231004
oct1701731633
9576435508
10252162971
1111a380855
127054778b
134031c078
14256c01ab
151720ee4b
hexf07b39b

252162971 has 2 divisors, whose sum is σ = 252162972. Its totient is φ = 252162970.

The previous prime is 252162949. The next prime is 252163001. The reversal of 252162971 is 179261252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252162971 - 218 = 251900827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252162901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126081485 + 126081486.

It is an arithmetic number, because the mean of its divisors is an integer number (126081486).

Almost surely, 2252162971 is an apocalyptic number.

252162971 is a deficient number, since it is larger than the sum of its proper divisors (1).

252162971 is an equidigital number, since it uses as much as digits as its factorization.

252162971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 252162971 is about 15879.6401407589. The cubic root of 252162971 is about 631.7720922544.

The spelling of 252162971 in words is "two hundred fifty-two million, one hundred sixty-two thousand, nine hundred seventy-one".