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168242343 = 361990599
BaseRepresentation
bin10100000011100…
…10110010100111
3102201120121002220
422001302302213
5321032223333
624410003423
74112015313
oct1201626247
9381517086
10168242343
1186a71a65
1248416573
1328b182a9
14184b6b43
15eb848b3
hexa072ca7

168242343 has 8 divisors (see below), whose sum is σ = 224688000. Its totient is φ = 111979128.

The previous prime is 168242339. The next prime is 168242449. The reversal of 168242343 is 343242861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168242343 - 22 = 168242339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168242303) 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 in 7 ways as a sum of consecutive naturals, for example, 43443 + ... + 47156.

It is an arithmetic number, because the mean of its divisors is an integer number (28086000).

Almost surely, 2168242343 is an apocalyptic number.

168242343 is a deficient number, since it is larger than the sum of its proper divisors (56445657).

168242343 is an equidigital number, since it uses as much as digits as its factorization.

168242343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91221.

The product of its digits is 27648, while the sum is 33.

The square root of 168242343 is about 12970.8266120552. The cubic root of 168242343 is about 552.0500276282.

The spelling of 168242343 in words is "one hundred sixty-eight million, two hundred forty-two thousand, three hundred forty-three".

Divisors: 1 3 619 1857 90599 271797 56080781 168242343