Search a number
-
+
208403074 = 2119472867
BaseRepresentation
bin11000110101111…
…11101010000010
3112112010222021101
430122333222002
5411322344244
632402445014
75110253065
oct1432775202
9475128241
10208403074
11a7702350
125996376a
133423a039
141d96c8dc
15134690d4
hexc6bfa82

208403074 has 8 divisors (see below), whose sum is σ = 341023248. Its totient is φ = 94728660.

The previous prime is 208403071. The next prime is 208403147. The reversal of 208403074 is 470304802.

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

It is not an unprimeable number, because it can be changed into a prime (208403071) 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, 4736412 + ... + 4736455.

It is an arithmetic number, because the mean of its divisors is an integer number (42627906).

Almost surely, 2208403074 is an apocalyptic number.

208403074 is a deficient number, since it is larger than the sum of its proper divisors (132620174).

208403074 is a wasteful number, since it uses less digits than its factorization.

208403074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472880.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 208403074 is about 14436.1724151522. The cubic root of 208403074 is about 592.8816927312.

Adding to 208403074 its reverse (470304802), we get a palindrome (678707876).

The spelling of 208403074 in words is "two hundred eight million, four hundred three thousand, seventy-four".

Divisors: 1 2 11 22 9472867 18945734 104201537 208403074