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206389298 = 2103194649
BaseRepresentation
bin11000100110101…
…00000000110010
3112101100122220002
430103110000302
5410313424143
632251350002
75054165033
oct1423240062
9471318802
10206389298
11a6557375
1259152302
13339b355b
141d5a6a8a
15131bc5b8
hexc4d4032

206389298 has 4 divisors (see below), whose sum is σ = 309583950. Its totient is φ = 103194648.

The previous prime is 206389297. The next prime is 206389307. The reversal of 206389298 is 892983602.

206389298 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 206008609 + 380689 = 14353^2 + 617^2 .

It is not an unprimeable number, because it can be changed into a prime (206389297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51597323 + ... + 51597326.

Almost surely, 2206389298 is an apocalyptic number.

206389298 is a deficient number, since it is larger than the sum of its proper divisors (103194652).

206389298 is a wasteful number, since it uses less digits than its factorization.

206389298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103194651.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 206389298 is about 14366.2555316269. The cubic root of 206389298 is about 590.9658583713.

The spelling of 206389298 in words is "two hundred six million, three hundred eighty-nine thousand, two hundred ninety-eight".

Divisors: 1 2 103194649 206389298