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208593968 = 24111577549
BaseRepresentation
bin11000110111011…
…10010000110000
3112112111200010112
430123232100300
5411400001333
632410520452
75112006452
oct1433562060
9475450115
10208593968
11a7822810
1259a36128
13342a5bab
141d9bc2d2
15134a5948
hexc6ee430

208593968 has 40 divisors (see below), whose sum is σ = 443758800. Its totient is φ = 94199040.

The previous prime is 208593919. The next prime is 208593971. The reversal of 208593968 is 869395802.

It is a super-2 number, since 2×2085939682 = 87022886971970048, which contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 23858 + ... + 31406.

It is an arithmetic number, because the mean of its divisors is an integer number (11093970).

Almost surely, 2208593968 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 208593968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221879400).

208593968 is an abundant number, since it is smaller than the sum of its proper divisors (235164832).

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

208593968 is a wasteful number, since it uses less digits than its factorization.

208593968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725 (or 7719 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 208593968 is about 14442.7825573883. The cubic root of 208593968 is about 593.0626609817.

The spelling of 208593968 in words is "two hundred eight million, five hundred ninety-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 157 176 314 628 1256 1727 2512 3454 6908 7549 13816 15098 27632 30196 60392 83039 120784 166078 332156 664312 1185193 1328624 2370386 4740772 9481544 13037123 18963088 26074246 52148492 104296984 208593968