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208053120 = 2735119851
BaseRepresentation
bin11000110011010…
…10001110000000
3112111111012020010
430121222032000
5411230144440
632351144520
75104264602
oct1431521600
9474435203
10208053120
11a7493430
1259815140
1334146972
141d8bb172
15133ea580
hexc66a380

208053120 has 128 divisors (see below), whose sum is σ = 723530880. Its totient is φ = 50432000.

The previous prime is 208053119. The next prime is 208053133. The reversal of 208053120 is 21350802.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2080531202 = 86572201483468800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16195 + ... + 26045.

It is an arithmetic number, because the mean of its divisors is an integer number (5652585).

Almost surely, 2208053120 is an apocalyptic number.

208053120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208053120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361765440).

208053120 is an abundant number, since it is smaller than the sum of its proper divisors (515477760).

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

208053120 is a wasteful number, since it uses less digits than its factorization.

208053120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9884 (or 9872 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 208053120 is about 14424.0465889431. The cubic root of 208053120 is about 592.5496477830.

The spelling of 208053120 in words is "two hundred eight million, fifty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 264 320 330 352 384 440 480 528 640 660 704 880 960 1056 1320 1408 1760 1920 2112 2640 3520 4224 5280 7040 9851 10560 19702 21120 29553 39404 49255 59106 78808 98510 108361 118212 147765 157616 197020 216722 236424 295530 315232 325083 394040 433444 472848 541805 591060 630464 650166 788080 866888 945696 1083610 1182120 1260928 1300332 1576160 1625415 1733776 1891392 2167220 2364240 2600664 3152320 3250830 3467552 3782784 4334440 4728480 5201328 6304640 6501660 6935104 8668880 9456960 10402656 13003320 13870208 17337760 18913920 20805312 26006640 34675520 41610624 52013280 69351040 104026560 208053120