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168705350 = 252111013037
BaseRepresentation
bin10100000111000…
…11110101000110
3102202110010020022
422003203311012
5321142032400
624423535142
74115654222
oct1203436506
9382403208
10168705350
1187258910
12485ba4b2
1328c4ac68
1418597782
15ec26b85
hexa0e3d46

168705350 has 48 divisors (see below), whose sum is σ = 345821616. Its totient is φ = 60720000.

The previous prime is 168705349. The next prime is 168705377. The reversal of 168705350 is 53507861.

It is a super-2 number, since 2×1687053502 = 56922990237245000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 168705350.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 54032 + ... + 57068.

It is an arithmetic number, because the mean of its divisors is an integer number (7204617).

Almost surely, 2168705350 is an apocalyptic number.

168705350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168705350 is an abundant number, since it is smaller than the sum of its proper divisors (177116266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168705350 is a wasteful number, since it uses less digits than its factorization.

168705350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161 (or 3156 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 168705350 is about 12988.6623637694. The cubic root of 168705350 is about 552.5559821246. Note that the first 3 decimals are identical.

The spelling of 168705350 in words is "one hundred sixty-eight million, seven hundred five thousand, three hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 101 110 202 275 505 550 1010 1111 2222 2525 3037 5050 5555 6074 11110 15185 27775 30370 33407 55550 66814 75925 151850 167035 306737 334070 613474 835175 1533685 1670350 3067370 3374107 6748214 7668425 15336850 16870535 33741070 84352675 168705350