Search a number
-
+
206693374 = 2103346687
BaseRepresentation
bin11000101000111…
…10001111111110
3112101221010000011
430110132033332
5410403141444
632302053434
75056602406
oct1424361776
9471833004
10206693374
11a6744878
125927a27a
1333a8ba94
141d645806
151322c734
hexc51e3fe

206693374 has 4 divisors (see below), whose sum is σ = 310040064. Its totient is φ = 103346686.

The previous prime is 206693371. The next prime is 206693393. The reversal of 206693374 is 473396602.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206693371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51673342 + ... + 51673345.

It is an arithmetic number, because the mean of its divisors is an integer number (77510016).

Almost surely, 2206693374 is an apocalyptic number.

206693374 is a deficient number, since it is larger than the sum of its proper divisors (103346690).

206693374 is a wasteful number, since it uses less digits than its factorization.

206693374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103346689.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 206693374 is about 14376.8346307523. The cubic root of 206693374 is about 591.2559418164.

The spelling of 206693374 in words is "two hundred six million, six hundred ninety-three thousand, three hundred seventy-four".

Divisors: 1 2 103346687 206693374