Search a number
-
+
2005142330 = 2513110131511
BaseRepresentation
bin111011110000100…
…0000101100111010
312011202000210011202
41313201000230322
513101304023310
6530545054202
7100455300002
oct16741005472
95152023152
102005142330
1193993a124
1247b627362
1325c557b69
14150437002
15bb07b3a5
hex77840b3a

2005142330 has 32 divisors (see below), whose sum is σ = 3642807168. Its totient is φ = 794622400.

The previous prime is 2005142291. The next prime is 2005142339. The reversal of 2005142330 is 332415002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2005142339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1326275 + ... + 1327785.

It is an arithmetic number, because the mean of its divisors is an integer number (113837724).

Almost surely, 22005142330 is an apocalyptic number.

2005142330 is a deficient number, since it is larger than the sum of its proper divisors (1637664838).

2005142330 is a wasteful number, since it uses less digits than its factorization.

2005142330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2005142330 is about 44778.8156386477. The cubic root of 2005142330 is about 1260.9999473835. Note that the first 4 decimals are identical.

Adding to 2005142330 its reverse (332415002), we get a palindrome (2337557332).

The spelling of 2005142330 in words is "two billion, five million, one hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 131 262 655 1013 1310 1511 2026 3022 5065 7555 10130 15110 132703 197941 265406 395882 663515 989705 1327030 1530643 1979410 3061286 7653215 15306430 200514233 401028466 1002571165 2005142330