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206641130 = 2520664113
BaseRepresentation
bin11000101000100…
…01011111101010
3112101211110100012
430110101133222
5410400004010
632301011522
75056264163
oct1424213752
9471743305
10206641130
11a67095a3
1259253ba2
1333a71077
141d63076a
151321c005
hexc5117ea

206641130 has 8 divisors (see below), whose sum is σ = 371954052. Its totient is φ = 82656448.

The previous prime is 206641129. The next prime is 206641147. The reversal of 206641130 is 31146602.

It is a happy number.

206641130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 192571129 + 14070001 = 13877^2 + 3751^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 206641096 and 206641105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10332047 + ... + 10332066.

Almost surely, 2206641130 is an apocalyptic number.

206641130 is a deficient number, since it is larger than the sum of its proper divisors (165312922).

206641130 is a wasteful number, since it uses less digits than its factorization.

206641130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20664120.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 206641130 is about 14375.0175652067. The cubic root of 206641130 is about 591.2061221604.

Adding to 206641130 its reverse (31146602), we get a palindrome (237787732).

The spelling of 206641130 in words is "two hundred six million, six hundred forty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 20664113 41328226 103320565 206641130