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206985374 = 2771713411
BaseRepresentation
bin11000101011001…
…01100010011110
3112102110221112222
430111211202132
5410442012444
632312225342
75062226621
oct1425454236
9472427488
10206985374
11a69241a2
125939b252
1333b6196b
141d6bddb8
1513288eee
hexc56589e

206985374 has 8 divisors (see below), whose sum is σ = 310541448. Its totient is φ = 103471560.

The previous prime is 206985329. The next prime is 206985379. The reversal of 206985374 is 473589602.

206985374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206985379) 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, 8729 + ... + 22139.

It is an arithmetic number, because the mean of its divisors is an integer number (38817681).

Almost surely, 2206985374 is an apocalyptic number.

206985374 is a deficient number, since it is larger than the sum of its proper divisors (103556074).

206985374 is a wasteful number, since it uses less digits than its factorization.

206985374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21130.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 206985374 is about 14386.9862723226. The cubic root of 206985374 is about 591.5342373013.

The spelling of 206985374 in words is "two hundred six million, nine hundred eighty-five thousand, three hundred seventy-four".

Divisors: 1 2 7717 13411 15434 26822 103492687 206985374