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206900208 = 24321499643
BaseRepresentation
bin11000101010100…
…00101111110000
3112102022121201200
430111100233300
5410431301313
632310331200
75061423414
oct1425205760
9472277650
10206900208
11a6876209
1259359b00
1333b31c78
141d69ad44
151326db73
hexc550bf0

206900208 has 60 divisors (see below), whose sum is σ = 582979800. Its totient is φ = 68496768.

The previous prime is 206900201. The next prime is 206900209. The reversal of 206900208 is 802009602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206900201) 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 in 11 ways as a sum of consecutive naturals, for example, 16635 + ... + 26277.

It is an arithmetic number, because the mean of its divisors is an integer number (9716330).

Almost surely, 2206900208 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 206900208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291489900).

206900208 is an abundant number, since it is smaller than the sum of its proper divisors (376079592).

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

206900208 is a wasteful number, since it uses less digits than its factorization.

206900208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9806 (or 9797 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 206900208 is about 14384.0261401320. The cubic root of 206900208 is about 591.4530954714.

The spelling of 206900208 in words is "two hundred six million, nine hundred thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 149 298 447 596 894 1192 1341 1788 2384 2682 3576 5364 7152 9643 10728 19286 21456 28929 38572 57858 77144 86787 115716 154288 173574 231432 347148 462864 694296 1388592 1436807 2873614 4310421 5747228 8620842 11494456 12931263 17241684 22988912 25862526 34483368 51725052 68966736 103450104 206900208