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194605212 = 223137118373
BaseRepresentation
bin10111001100101…
…11000010011100
3111120011222011110
423212113002130
5344304331322
631151022020
74552055064
oct1346270234
9446158143
10194605212
119a93885a
125520a910
1331418919
141bbba3a4
1512140c0c
hexb99709c

194605212 has 24 divisors (see below), whose sum is σ = 457397136. Its totient is φ = 64394368.

The previous prime is 194605199. The next prime is 194605247. The reversal of 194605212 is 212506491.

194605212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 194605212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57543 + ... + 60830.

It is an arithmetic number, because the mean of its divisors is an integer number (19058214).

Almost surely, 2194605212 is an apocalyptic number.

194605212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194605212 is an abundant number, since it is smaller than the sum of its proper divisors (262791924).

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

194605212 is a wasteful number, since it uses less digits than its factorization.

194605212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118517 (or 118515 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 194605212 is about 13950.0972039624. The cubic root of 194605212 is about 579.4973965370.

The spelling of 194605212 in words is "one hundred ninety-four million, six hundred five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 118373 236746 355119 473492 710238 1420476 16217101 32434202 48651303 64868404 97302606 194605212