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206465207 = 13143311083
BaseRepresentation
bin11000100111001…
…10100010110111
3112101111112000112
430103212202313
5410323341312
632253133235
75054632244
oct1423464267
9471445015
10206465207
11a65a9403
125918a21b
1333a0bc80
141d5c65cb
15131d4d22
hexc4e68b7

206465207 has 8 divisors (see below), whose sum is σ = 222522384. Its totient is φ = 190433088.

The previous prime is 206465201. The next prime is 206465209. The reversal of 206465207 is 702564602.

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 206465207 - 210 = 206464183 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 (206465201) 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, 13088 + ... + 24170.

It is an arithmetic number, because the mean of its divisors is an integer number (27815298).

Almost surely, 2206465207 is an apocalyptic number.

206465207 is a deficient number, since it is larger than the sum of its proper divisors (16057177).

206465207 is a wasteful number, since it uses less digits than its factorization.

206465207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12529.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 206465207 is about 14368.8972089023. The cubic root of 206465207 is about 591.0383009659.

The spelling of 206465207 in words is "two hundred six million, four hundred sixty-five thousand, two hundred seven".

Divisors: 1 13 1433 11083 18629 144079 15881939 206465207