Search a number
-
+
2443402031 = 76110753479
BaseRepresentation
bin1001000110100011…
…0101101100101111
320022021200200110112
42101220311230233
520001002331111
61042242330235
7114356401040
oct22150655457
96267620415
102443402031
111044267124
1258235997b
132cc2a3b25
1419271a8c7
15e479ae8b
hex91a35b2f

2443402031 has 16 divisors (see below), whose sum is σ = 2864816640. Its totient is φ = 2040720480.

The previous prime is 2443402021. The next prime is 2443402103. The reversal of 2443402031 is 1302043442.

It is a cyclic number.

It is not a de Polignac number, because 2443402031 - 214 = 2443385647 is a prime.

It is a super-2 number, since 2×24434020312 = 11940426970189849922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2443401988 and 2443402006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443402021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18950 + ... + 72428.

It is an arithmetic number, because the mean of its divisors is an integer number (179051040).

Almost surely, 22443402031 is an apocalyptic number.

2443402031 is a deficient number, since it is larger than the sum of its proper divisors (421414609).

2443402031 is a wasteful number, since it uses less digits than its factorization.

2443402031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53654.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2443402031 is about 49430.7801981721. The cubic root of 2443402031 is about 1346.8884958792. Note that the first 3 decimals are identical.

Adding to 2443402031 its reverse (1302043442), we get a palindrome (3745445473).

The spelling of 2443402031 in words is "two billion, four hundred forty-three million, four hundred two thousand, thirty-one".

Divisors: 1 7 61 107 427 749 6527 45689 53479 374353 3262219 5722253 22835533 40055771 349057433 2443402031