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208922055 = 3535113967
BaseRepresentation
bin11000111001111…
…10010111000111
3112120010100011220
430130332113013
5411441001210
632421531423
75114544126
oct1434762707
9476110156
10208922055
11a7a27261
1259b73b73
133438c324
141da65abd
151351cc70
hexc73e5c7

208922055 has 16 divisors (see below), whose sum is σ = 334454784. Its totient is φ = 111365280.

The previous prime is 208922033. The next prime is 208922083. The reversal of 208922055 is 550229802.

It is not a de Polignac number, because 208922055 - 28 = 208921799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50682 + ... + 54648.

It is an arithmetic number, because the mean of its divisors is an integer number (20903424).

Almost surely, 2208922055 is an apocalyptic number.

208922055 is a deficient number, since it is larger than the sum of its proper divisors (125532729).

208922055 is a wasteful number, since it uses less digits than its factorization.

208922055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 208922055 is about 14454.1362592166. The cubic root of 208922055 is about 593.3734309545.

The spelling of 208922055 in words is "two hundred eight million, nine hundred twenty-two thousand, fifty-five".

Divisors: 1 3 5 15 3511 3967 10533 11901 17555 19835 52665 59505 13928137 41784411 69640685 208922055