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208282144 = 2572132833
BaseRepresentation
bin11000110101000…
…10001000100000
3112111220211101111
430122202020200
5411310012034
632400113104
75106240400
oct1432421040
9474824344
10208282144
11a762a504
1259905794
13341c6c95
141d93a800
1513443364
hexc6a2220

208282144 has 36 divisors (see below), whose sum is σ = 477006894. Its totient is φ = 89263104.

The previous prime is 208282111. The next prime is 208282177. The reversal of 208282144 is 441282802.

It is an interprime number because it is at equal distance from previous prime (208282111) and next prime (208282177).

It can be written as a sum of positive squares in only one way, i.e., 207936400 + 345744 = 14420^2 + 588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64849 + ... + 67984.

Almost surely, 2208282144 is an apocalyptic number.

It is an amenable number.

208282144 is an abundant number, since it is smaller than the sum of its proper divisors (268724750).

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

208282144 is a wasteful number, since it uses less digits than its factorization.

208282144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132857 (or 132842 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 208282144 is about 14431.9833702787. The cubic root of 208282144 is about 592.7669934386.

The spelling of 208282144 in words is "two hundred eight million, two hundred eighty-two thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 132833 265666 531332 929831 1062664 1859662 2125328 3719324 4250656 6508817 7438648 13017634 14877296 26035268 29754592 52070536 104141072 208282144