Search a number
-
+
4052305031 = 22279181889
BaseRepresentation
bin1111000110001001…
…0100010010000111
3101110102010102110112
43301202110102013
531244342230111
61510034543235
7202264011245
oct36142242207
911412112415
104052305031
11179a469825
12951137b1b
134c7706038
142a628b795
1518ab57e8b
hexf1894487

4052305031 has 4 divisors (see below), whose sum is σ = 4052509200. Its totient is φ = 4052100864.

The previous prime is 4052305003. The next prime is 4052305057. The reversal of 4052305031 is 1305032504.

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

It is a cyclic number.

It is not a de Polignac number, because 4052305031 - 210 = 4052304007 is a prime.

It is a super-2 number, since 2×40523050312 = 32842352128535821922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4052304988 and 4052305006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052305931) 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, 68666 + ... + 113223.

It is an arithmetic number, because the mean of its divisors is an integer number (1013127300).

Almost surely, 24052305031 is an apocalyptic number.

4052305031 is a deficient number, since it is larger than the sum of its proper divisors (204169).

4052305031 is a wasteful number, since it uses less digits than its factorization.

4052305031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204168.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 4052305031 is about 63657.7177646199. The cubic root of 4052305031 is about 1594.2901990076.

Adding to 4052305031 its reverse (1305032504), we get a palindrome (5357337535).

The spelling of 4052305031 in words is "four billion, fifty-two million, three hundred five thousand, thirty-one".

Divisors: 1 22279 181889 4052305031