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168034949 is a prime number
BaseRepresentation
bin10100000010000…
…00001010000101
3102201012001121122
422001000022011
5321004104244
624401323325
74110162545
oct1201001205
9381161548
10168034949
1186940165
1248336545
1328a74a84
1418461325
15eb431ee
hexa040285

168034949 has 2 divisors, whose sum is σ = 168034950. Its totient is φ = 168034948.

The previous prime is 168034913. The next prime is 168034957. The reversal of 168034949 is 949430861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88021924 + 80013025 = 9382^2 + 8945^2 .

It is an emirp because it is prime and its reverse (949430861) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-168034949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168034049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84017474 + 84017475.

It is an arithmetic number, because the mean of its divisors is an integer number (84017475).

Almost surely, 2168034949 is an apocalyptic number.

It is an amenable number.

168034949 is a deficient number, since it is larger than the sum of its proper divisors (1).

168034949 is an equidigital number, since it uses as much as digits as its factorization.

168034949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 168034949 is about 12962.8295136517. The cubic root of 168034949 is about 551.8230951792.

The spelling of 168034949 in words is "one hundred sixty-eight million, thirty-four thousand, nine hundred forty-nine".