Search a number
-
+
2004315805 = 51792239459
BaseRepresentation
bin111011101110111…
…0110111010011101
312011200110210101201
41313131312322131
513101101101210
6530515235501
7100445255212
oct16735667235
95150423351
102004315805
11939425148
1247b2a8b91
1325c3288ab
1415029db09
15bae6653a
hex77776e9d

2004315805 has 8 divisors (see below), whose sum is σ = 2418616800. Its totient is φ = 1594494096.

The previous prime is 2004315767. The next prime is 2004315829. The reversal of 2004315805 is 5085134002.

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

It is a cyclic number.

It is not a de Polignac number, because 2004315805 - 215 = 2004283037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118835 + ... + 1120624.

It is an arithmetic number, because the mean of its divisors is an integer number (302327100).

Almost surely, 22004315805 is an apocalyptic number.

It is an amenable number.

2004315805 is a deficient number, since it is larger than the sum of its proper divisors (414300995).

2004315805 is a wasteful number, since it uses less digits than its factorization.

2004315805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239643.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2004315805 is about 44769.5857139643. The cubic root of 2004315805 is about 1260.8266610612.

Adding to 2004315805 its reverse (5085134002), we get a palindrome (7089449807).

The spelling of 2004315805 in words is "two billion, four million, three hundred fifteen thousand, eight hundred five".

Divisors: 1 5 179 895 2239459 11197295 400863161 2004315805