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208134236 = 22471378081
BaseRepresentation
bin11000110011111…
…10000001011100
3112111122022111102
430121332001130
5411240243421
632353012232
75105053232
oct1431760134
9474568442
10208134236
11a7539372
1259854078
133417486b
141d8dc952
151341460b
hexc67e05c

208134236 has 24 divisors (see below), whose sum is σ = 374746176. Its totient is φ = 101096960.

The previous prime is 208134221. The next prime is 208134239. The reversal of 208134236 is 632431802.

208134236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 208134199 and 208134208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208134239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21716 + ... + 29796.

It is an arithmetic number, because the mean of its divisors is an integer number (15614424).

Almost surely, 2208134236 is an apocalyptic number.

It is an amenable number.

208134236 is a deficient number, since it is larger than the sum of its proper divisors (166611940).

208134236 is a wasteful number, since it uses less digits than its factorization.

208134236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269 (or 8267 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 208134236 is about 14426.8581472197. The cubic root of 208134236 is about 592.6266457663.

The spelling of 208134236 in words is "two hundred eight million, one hundred thirty-four thousand, two hundred thirty-six".

Divisors: 1 2 4 47 94 137 188 274 548 6439 8081 12878 16162 25756 32324 379807 759614 1107097 1519228 2214194 4428388 52033559 104067118 208134236