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168370550 = 25217198083
BaseRepresentation
bin10100000100100…
…10000101110110
3102201211002222022
422002102011312
5321100324200
624412433142
74113061145
oct1202220566
9381732868
10168370550
118704a317
12484787b2
1328b6175a
141850b75c
15ebac885
hexa092176

168370550 has 24 divisors (see below), whose sum is σ = 331592616. Its totient is φ = 63386240.

The previous prime is 168370547. The next prime is 168370589. The reversal of 168370550 is 55073861.

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 168370550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98192 + ... + 99891.

It is an arithmetic number, because the mean of its divisors is an integer number (13816359).

Almost surely, 2168370550 is an apocalyptic number.

168370550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168370550 is a deficient number, since it is larger than the sum of its proper divisors (163222066).

168370550 is a wasteful number, since it uses less digits than its factorization.

168370550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198112 (or 198107 counting only the distinct ones).

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

The square root of 168370550 is about 12975.7678000186. The cubic root of 168370550 is about 552.1902196593.

The spelling of 168370550 in words is "one hundred sixty-eight million, three hundred seventy thousand, five hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 198083 396166 990415 1980830 3367411 4952075 6734822 9904150 16837055 33674110 84185275 168370550