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208119950 = 25217298443
BaseRepresentation
bin11000110011110…
…10100010001110
3112111121120220022
430121322202032
5411234314300
632352422142
75104663463
oct1431724216
9474546808
10208119950
11a7529665
1259847952
133416b1cc
141d8d766a
1513410285
hexc67a88e

208119950 has 48 divisors (see below), whose sum is σ = 424057680. Its totient is φ = 75640320.

The previous prime is 208119943. The next prime is 208119953. The reversal of 208119950 is 59911802.

208119950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 208119950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208119953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20429 + ... + 28871.

It is an arithmetic number, because the mean of its divisors is an integer number (8834535).

Almost surely, 2208119950 is an apocalyptic number.

208119950 is an abundant number, since it is smaller than the sum of its proper divisors (215937730).

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

208119950 is a wasteful number, since it uses less digits than its factorization.

208119950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501 (or 8496 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 208119950 is about 14426.3630205260. The cubic root of 208119950 is about 592.6130864754.

The spelling of 208119950 in words is "two hundred eight million, one hundred nineteen thousand, nine hundred fifty".

Divisors: 1 2 5 10 17 25 29 34 50 58 85 145 170 290 425 493 725 850 986 1450 2465 4930 8443 12325 16886 24650 42215 84430 143531 211075 244847 287062 422150 489694 717655 1224235 1435310 2448470 3588275 4162399 6121175 7176550 8324798 12242350 20811995 41623990 104059975 208119950