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206273485 = 51131711831
BaseRepresentation
bin11000100101101…
…11101111001101
3112101010210000201
430102313233031
5410301222420
632245053501
75053203265
oct1422675715
9471123021
10206273485
11a6488360
12590b7291
1333972922
141d5767a5
151319810a
hexc4b7bcd

206273485 has 16 divisors (see below), whose sum is σ = 270905472. Its totient is φ = 149531200.

The previous prime is 206273471. The next prime is 206273497. The reversal of 206273485 is 584372602.

It is not a de Polignac number, because 206273485 - 211 = 206271437 is a prime.

It is a super-2 number, since 2×2062734852 = 85097501228090450, which contains 22 as substring.

It is a Duffinian number.

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, 11520 + ... + 23350.

It is an arithmetic number, because the mean of its divisors is an integer number (16931592).

Almost surely, 2206273485 is an apocalyptic number.

It is an amenable number.

206273485 is a deficient number, since it is larger than the sum of its proper divisors (64631987).

206273485 is a wasteful number, since it uses less digits than its factorization.

206273485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 206273485 is about 14362.2242358209. The cubic root of 206273485 is about 590.8552997727.

The spelling of 206273485 in words is "two hundred six million, two hundred seventy-three thousand, four hundred eighty-five".

Divisors: 1 5 11 55 317 1585 3487 11831 17435 59155 130141 650705 3750427 18752135 41254697 206273485