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208066495 = 5721365327
BaseRepresentation
bin11000110011011…
…01011110111111
3112111111212120111
430121231132333
5411231111440
632351330451
75104351600
oct1431553677
9474455514
10208066495
11a74a248a
1259820a27
133414ca90
141d8c1da7
15133ee4ea
hexc66d7bf

208066495 has 24 divisors (see below), whose sum is σ = 312790464. Its totient is φ = 131697216.

The previous prime is 208066457. The next prime is 208066501. The reversal of 208066495 is 594660802.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-208066495 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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29479 + ... + 35848.

It is an arithmetic number, because the mean of its divisors is an integer number (13032936).

Almost surely, 2208066495 is an apocalyptic number.

208066495 is a deficient number, since it is larger than the sum of its proper divisors (104723969).

208066495 is a wasteful number, since it uses less digits than its factorization.

208066495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65359 (or 65352 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 208066495 is about 14424.5102169883. The cubic root of 208066495 is about 592.5623451520.

The spelling of 208066495 in words is "two hundred eight million, sixty-six thousand, four hundred ninety-five".

Divisors: 1 5 7 13 35 49 65 91 245 455 637 3185 65327 326635 457289 849251 2286445 3201023 4246255 5944757 16005115 29723785 41613299 208066495