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208664332 = 22251207833
BaseRepresentation
bin11000110111111…
…11011100001100
3112112122020122121
430123333130030
5411404224312
632412222324
75112421552
oct1433773414
9475566577
10208664332
11a7870668
1259a6a9a4
13342cbc26
141d9d9bd2
15134bb707
hexc6ff70c

208664332 has 12 divisors (see below), whose sum is σ = 366619176. Its totient is φ = 103916000.

The previous prime is 208664279. The next prime is 208664369. The reversal of 208664332 is 233466802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102913 + ... + 104920.

It is an arithmetic number, because the mean of its divisors is an integer number (30551598).

Almost surely, 2208664332 is an apocalyptic number.

It is an amenable number.

208664332 is a deficient number, since it is larger than the sum of its proper divisors (157954844).

208664332 is a wasteful number, since it uses less digits than its factorization.

208664332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208088 (or 208086 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 208664332 is about 14445.2183091845. The cubic root of 208664332 is about 593.1293384767.

The spelling of 208664332 in words is "two hundred eight million, six hundred sixty-four thousand, three hundred thirty-two".

Divisors: 1 2 4 251 502 1004 207833 415666 831332 52166083 104332166 208664332