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206410312 = 2325801289
BaseRepresentation
bin11000100110110…
…01001001001000
3112101101201201101
430103121021020
5410320112222
632252031144
75054313223
oct1423311110
9471351641
10206410312
11a6571139
12591624b4
13339bcca4
141d5b05ba
15131c3927
hexc4d9248

206410312 has 8 divisors (see below), whose sum is σ = 387019350. Its totient is φ = 103205152.

The previous prime is 206410297. The next prime is 206410327. The reversal of 206410312 is 213014602.

It is an interprime number because it is at equal distance from previous prime (206410297) and next prime (206410327).

It can be written as a sum of positive squares in only one way, i.e., 198979236 + 7431076 = 14106^2 + 2726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 206410312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12900637 + ... + 12900652.

Almost surely, 2206410312 is an apocalyptic number.

It is an amenable number.

206410312 is a deficient number, since it is larger than the sum of its proper divisors (180609038).

206410312 is a wasteful number, since it uses less digits than its factorization.

206410312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25801295 (or 25801291 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 206410312 is about 14366.9868796488. The cubic root of 206410312 is about 590.9859145390.

Adding to 206410312 its reverse (213014602), we get a palindrome (419424914).

The spelling of 206410312 in words is "two hundred six million, four hundred ten thousand, three hundred twelve".

Divisors: 1 2 4 8 25801289 51602578 103205156 206410312