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194285168 = 24711179881
BaseRepresentation
bin10111001010010…
…00111001110000
3111112120201010222
423211020321300
5344214111133
631140112212
74546253030
oct1345107160
9445521128
10194285168
119a73a360
1255095668
133133604c
141bb358c0
15120cae98
hexb948e70

194285168 has 80 divisors (see below), whose sum is σ = 472469760. Its totient is φ = 75187200.

The previous prime is 194285167. The next prime is 194285173. The reversal of 194285168 is 861582491.

It is a Harshad number since it is a multiple of its sum of digits (44).

Its product of digits (138240) is a multiple of the sum of its prime divisors (1080).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194285167) 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 15 ways as a sum of consecutive naturals, for example, 220088 + ... + 220968.

It is an arithmetic number, because the mean of its divisors is an integer number (5905872).

Almost surely, 2194285168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194285168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236234880).

194285168 is an abundant number, since it is smaller than the sum of its proper divisors (278184592).

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

194285168 is a wasteful number, since it uses less digits than its factorization.

194285168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1080 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 194285168 is about 13938.6214526401. The cubic root of 194285168 is about 579.1795454606.

The spelling of 194285168 in words is "one hundred ninety-four million, two hundred eighty-five thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 179 308 358 616 716 881 1232 1253 1432 1762 1969 2506 2864 3524 3938 5012 6167 7048 7876 9691 10024 12334 13783 14096 15752 19382 20048 24668 27566 31504 38764 49336 55132 67837 77528 98672 110264 135674 155056 157699 220528 271348 315398 542696 630796 1085392 1103893 1261592 1734689 2207786 2523184 3469378 4415572 6938756 8831144 12142823 13877512 17662288 24285646 27755024 48571292 97142584 194285168