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208816192 = 2613419599
BaseRepresentation
bin11000111001001…
…00100001000000
3112112220221222001
430130210201000
5411424104232
632415353344
75113623364
oct1434444100
9475827861
10208816192
11a7964772
1259b22854
13343530a0
141da392a4
15134eb6e7
hexc724840

208816192 has 56 divisors (see below), whose sum is σ = 448056000. Its totient is φ = 95986176.

The previous prime is 208816189. The next prime is 208816249. The reversal of 208816192 is 291618802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348309 + ... + 348907.

It is an arithmetic number, because the mean of its divisors is an integer number (8001000).

Almost surely, 2208816192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208816192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224028000).

208816192 is an abundant number, since it is smaller than the sum of its proper divisors (239239808).

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

208816192 is a wasteful number, since it uses less digits than its factorization.

208816192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 208816192 is about 14450.4737638598. The cubic root of 208816192 is about 593.2731911715.

The spelling of 208816192 in words is "two hundred eight million, eight hundred sixteen thousand, one hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 419 599 832 838 1198 1676 2396 3352 4792 5447 6704 7787 9584 10894 13408 15574 19168 21788 26816 31148 38336 43576 62296 87152 124592 174304 249184 250981 348608 498368 501962 1003924 2007848 3262753 4015696 6525506 8031392 13051012 16062784 26102024 52204048 104408096 208816192