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208472533 is a prime number
BaseRepresentation
bin11000110110100…
…00100111010101
3112112021111112221
430123100213111
5411332110113
632404142341
75110662433
oct1433204725
9475244487
10208472533
11a774a555
12599979b1
1334262839
141d989d53
151347e98d
hexc6d09d5

208472533 has 2 divisors, whose sum is σ = 208472534. Its totient is φ = 208472532.

The previous prime is 208472531. The next prime is 208472549. The reversal of 208472533 is 335274802.

208472533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141919569 + 66552964 = 11913^2 + 8158^2 .

It is a cyclic number.

It is not a de Polignac number, because 208472533 - 21 = 208472531 is a prime.

Together with 208472531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208472531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104236266 + 104236267.

It is an arithmetic number, because the mean of its divisors is an integer number (104236267).

Almost surely, 2208472533 is an apocalyptic number.

It is an amenable number.

208472533 is a deficient number, since it is larger than the sum of its proper divisors (1).

208472533 is an equidigital number, since it uses as much as digits as its factorization.

208472533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 208472533 is about 14438.5779424429. The cubic root of 208472533 is about 592.9475529165.

The spelling of 208472533 in words is "two hundred eight million, four hundred seventy-two thousand, five hundred thirty-three".