Search a number
-
+
208674190 = 2520867419
BaseRepresentation
bin11000111000000…
…01110110001110
3112112122202011201
430130001312032
5411410033230
632412340114
75112462364
oct1434016616
9475582151
10208674190
11a787800a
1259a7463a
133430356a
141d9dd634
15134be5ca
hexc701d8e

208674190 has 8 divisors (see below), whose sum is σ = 375613560. Its totient is φ = 83469672.

The previous prime is 208674187. The next prime is 208674203. The reversal of 208674190 is 91476802.

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

It is a super-2 number, since 2×2086741902 = 87089835144312200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10433700 + ... + 10433719.

It is an arithmetic number, because the mean of its divisors is an integer number (46951695).

Almost surely, 2208674190 is an apocalyptic number.

208674190 is a deficient number, since it is larger than the sum of its proper divisors (166939370).

208674190 is a wasteful number, since it uses less digits than its factorization.

208674190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20867426.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 208674190 is about 14445.5595253351. The cubic root of 208674190 is about 593.1386787999.

The spelling of 208674190 in words is "two hundred eight million, six hundred seventy-four thousand, one hundred ninety".

Divisors: 1 2 5 10 20867419 41734838 104337095 208674190