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206201341 = 418956509
BaseRepresentation
bin11000100101001…
…10000111111101
3112101000010001201
430102212013331
5410241420331
632243335501
75052453043
oct1422460775
9471003051
10206201341
11a6439135
1259081591
1333948b38
141d558393
1513181a61
hexc4a61fd

206201341 has 8 divisors (see below), whose sum is σ = 213607800. Its totient is φ = 198908160.

The previous prime is 206201327. The next prime is 206201363. The reversal of 206201341 is 143102602.

It can be written as a sum of positive squares in 4 ways, for example, as 164025 + 206037316 = 405^2 + 14354^2 .

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 206201341 - 223 = 197812733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206201311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24606 + ... + 31903.

It is an arithmetic number, because the mean of its divisors is an integer number (26700975).

Almost surely, 2206201341 is an apocalyptic number.

It is an amenable number.

206201341 is a deficient number, since it is larger than the sum of its proper divisors (7406459).

206201341 is an equidigital number, since it uses as much as digits as its factorization.

206201341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56639.

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

The square root of 206201341 is about 14359.7124274827. The cubic root of 206201341 is about 590.7864080046.

Adding to 206201341 its reverse (143102602), we get a palindrome (349303943).

The spelling of 206201341 in words is "two hundred six million, two hundred one thousand, three hundred forty-one".

Divisors: 1 41 89 3649 56509 2316869 5029301 206201341