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208448168 = 2326056021
BaseRepresentation
bin11000110110010…
…10101010101000
3112112020021010112
430123022222220
5411330320133
632403433452
75110531415
oct1433125250
9475207115
10208448168
11a7733215
1259985888
1334254716
141d98110c
1513477648
hexc6caaa8

208448168 has 8 divisors (see below), whose sum is σ = 390840330. Its totient is φ = 104224080.

The previous prime is 208448167. The next prime is 208448171. The reversal of 208448168 is 861844802.

It can be written as a sum of positive squares in only one way, i.e., 191490244 + 16957924 = 13838^2 + 4118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (208448167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13028003 + ... + 13028018.

Almost surely, 2208448168 is an apocalyptic number.

It is an amenable number.

208448168 is a deficient number, since it is larger than the sum of its proper divisors (182392162).

208448168 is a wasteful number, since it uses less digits than its factorization.

208448168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26056027 (or 26056023 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 208448168 is about 14437.7341712611. The cubic root of 208448168 is about 592.9244519836.

The spelling of 208448168 in words is "two hundred eight million, four hundred forty-eight thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 26056021 52112042 104224084 208448168