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168852377 is a prime number
BaseRepresentation
bin10100001000001…
…11101110011001
3102202201120220202
422010013232121
5321211234002
624431031545
74120135661
oct1204075631
9382646822
10168852377
1187349321
124866b5b5
1328c9cb65
14185d51a1
15ec55502
hexa107b99

168852377 has 2 divisors, whose sum is σ = 168852378. Its totient is φ = 168852376.

The previous prime is 168852371. The next prime is 168852379. The reversal of 168852377 is 773258861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126810121 + 42042256 = 11261^2 + 6484^2 .

It is an emirp because it is prime and its reverse (773258861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168852377 - 28 = 168852121 is a prime.

It is a super-2 number, since 2×1688523772 = 57022250437100258, which contains 22 as substring.

Together with 168852379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (168852371) 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, 84426188 + 84426189.

It is an arithmetic number, because the mean of its divisors is an integer number (84426189).

Almost surely, 2168852377 is an apocalyptic number.

It is an amenable number.

168852377 is a deficient number, since it is larger than the sum of its proper divisors (1).

168852377 is an equidigital number, since it uses as much as digits as its factorization.

168852377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 47.

The square root of 168852377 is about 12994.3209518620. The cubic root of 168852377 is about 552.7164533433.

The spelling of 168852377 in words is "one hundred sixty-eight million, eight hundred fifty-two thousand, three hundred seventy-seven".