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206268105 = 3513751207
BaseRepresentation
bin11000100101101…
…10011011001001
3112101010111122110
430102312123021
5410301034410
632245012533
75053151511
oct1422663311
9471114573
10206268105
11a648430a
12590b4149
1333970344
141d574841
1513196720
hexc4b66c9

206268105 has 8 divisors (see below), whose sum is σ = 330028992. Its totient is φ = 110009648.

The previous prime is 206268061. The next prime is 206268149. The reversal of 206268105 is 501862602.

206268105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206268061) and next prime (206268149).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206268105 - 27 = 206267977 is a prime.

It is a super-2 number, since 2×2062681052 = 85093062280582050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6875589 + ... + 6875618.

It is an arithmetic number, because the mean of its divisors is an integer number (41253624).

Almost surely, 2206268105 is an apocalyptic number.

It is an amenable number.

206268105 is a deficient number, since it is larger than the sum of its proper divisors (123760887).

206268105 is a wasteful number, since it uses less digits than its factorization.

206268105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13751215.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 206268105 is about 14362.0369377049. The cubic root of 206268105 is about 590.8501628559.

The spelling of 206268105 in words is "two hundred six million, two hundred sixty-eight thousand, one hundred five".

Divisors: 1 3 5 15 13751207 41253621 68756035 206268105