Search a number
-
+
308408006 = 2154204003
BaseRepresentation
bin10010011000011…
…110111011000110
3210111022202020202
4102120132323012
51112423024011
650334130502
710433265464
oct2230367306
9714282222
10308408006
111490a7555
1287350a32
134bb82b5a
142cd61834
151c12023b
hex1261eec6

308408006 has 4 divisors (see below), whose sum is σ = 462612012. Its totient is φ = 154204002.

The previous prime is 308407973. The next prime is 308408041. The reversal of 308408006 is 600804803.

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

It is a self number, because there is not a number n which added to its sum of digits gives 308408006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77102000 + ... + 77102003.

It is an arithmetic number, because the mean of its divisors is an integer number (115653003).

Almost surely, 2308408006 is an apocalyptic number.

308408006 is a deficient number, since it is larger than the sum of its proper divisors (154204006).

308408006 is a wasteful number, since it uses less digits than its factorization.

308408006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154204005.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 308408006 is about 17561.5490774590. The cubic root of 308408006 is about 675.6294127304.

The spelling of 308408006 in words is "three hundred eight million, four hundred eight thousand, six".

Divisors: 1 2 154204003 308408006