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206671422 = 23231497619
BaseRepresentation
bin11000101000110…
…00111000111110
3112101212222220010
430110120320332
5410401441142
632301404050
75056451406
oct1424307076
9471788803
10206671422
11a672a331
1259269626
1333a81aa9
141d63b806
1513225e9c
hexc518e3e

206671422 has 16 divisors (see below), whose sum is σ = 431314560. Its totient is φ = 65895192.

The previous prime is 206671393. The next prime is 206671427. The reversal of 206671422 is 224176602.

206671422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 206671422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206671427) 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, 748672 + ... + 748947.

It is an arithmetic number, because the mean of its divisors is an integer number (26957160).

Almost surely, 2206671422 is an apocalyptic number.

206671422 is an abundant number, since it is smaller than the sum of its proper divisors (224643138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206671422 is a wasteful number, since it uses less digits than its factorization.

206671422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497647.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 206671422 is about 14376.0711600910. The cubic root of 206671422 is about 591.2350095054.

The spelling of 206671422 in words is "two hundred six million, six hundred seventy-one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 1497619 2995238 4492857 8985714 34445237 68890474 103335711 206671422