Search a number
-
+
4002440205 = 351907139921
BaseRepresentation
bin1110111010010000…
…0110010000001101
3101022221022000210010
43232210012100031
531144111041310
61501054103433
7201120115611
oct35644062015
911287260703
104002440205
111774300625
129384aab79
134ba29731a
1429d7cb341
151865a8320
hexee90640d

4002440205 has 16 divisors (see below), whose sum is σ = 6407308224. Its totient is φ = 2133500160.

The previous prime is 4002440177. The next prime is 4002440207. The reversal of 4002440205 is 5020442004.

It is not a de Polignac number, because 4002440205 - 28 = 4002439949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002440207) 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, 41356 + ... + 98565.

It is an arithmetic number, because the mean of its divisors is an integer number (400456764).

Almost surely, 24002440205 is an apocalyptic number.

It is an amenable number.

4002440205 is a deficient number, since it is larger than the sum of its proper divisors (2404868019).

4002440205 is a wasteful number, since it uses less digits than its factorization.

4002440205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141836.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4002440205 is about 63264.8417764559. The cubic root of 4002440205 is about 1587.7237850145.

Adding to 4002440205 its reverse (5020442004), we get a palindrome (9022882209).

The spelling of 4002440205 in words is "four billion, two million, four hundred forty thousand, two hundred five".

Divisors: 1 3 5 15 1907 5721 9535 28605 139921 419763 699605 2098815 266829347 800488041 1334146735 4002440205