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206113407 = 368704469
BaseRepresentation
bin11000100100100…
…00101001111111
3112100211122102220
430102100221333
5410231112112
632241420423
75051635503
oct1422205177
9470748386
10206113407
11a6389065
125903a713
1333917ac6
141d534303
151316598c
hexc490a7f

206113407 has 4 divisors (see below), whose sum is σ = 274817880. Its totient is φ = 137408936.

The previous prime is 206113399. The next prime is 206113483. The reversal of 206113407 is 704311602.

206113407 is digitally balanced in base 2, 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 is a cyclic number.

It is not a de Polignac number, because 206113407 - 23 = 206113399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206113307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34352232 + ... + 34352237.

It is an arithmetic number, because the mean of its divisors is an integer number (68704470).

Almost surely, 2206113407 is an apocalyptic number.

206113407 is a deficient number, since it is larger than the sum of its proper divisors (68704473).

206113407 is an equidigital number, since it uses as much as digits as its factorization.

206113407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68704472.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 206113407 is about 14356.6502708675. The cubic root of 206113407 is about 590.7024163128.

The spelling of 206113407 in words is "two hundred six million, one hundred thirteen thousand, four hundred seven".

Divisors: 1 3 68704469 206113407