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206554234 = 2103277117
BaseRepresentation
bin11000100111111…
…00010001111010
3112101200001010211
430103330101322
5410334213414
632255101334
75055452635
oct1423742172
9471601124
10206554234
11a665a287
125921184a
1333a40653
141d60ac1c
15132013c4
hexc4fc47a

206554234 has 4 divisors (see below), whose sum is σ = 309831354. Its totient is φ = 103277116.

The previous prime is 206554223. The next prime is 206554247. The reversal of 206554234 is 432455602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 194686209 + 11868025 = 13953^2 + 3445^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 206554196 and 206554205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51638557 + ... + 51638560.

Almost surely, 2206554234 is an apocalyptic number.

206554234 is a deficient number, since it is larger than the sum of its proper divisors (103277120).

206554234 is a wasteful number, since it uses less digits than its factorization.

206554234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103277119.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 206554234 is about 14371.9947815187. The cubic root of 206554234 is about 591.1232399030.

The spelling of 206554234 in words is "two hundred six million, five hundred fifty-four thousand, two hundred thirty-four".

Divisors: 1 2 103277117 206554234