[go: up one dir, main page]

Search a number
-
+
4423130431 = 172925513517
BaseRepresentation
bin1000001111010001…
…11001110100111111
3102102020220022021121
410013220321310333
533024310133211
62010523011411
7214415662666
oct40750716477
912366808247
104423130431
11196a8183a5
12a35369b67
135564a1255
142dd619ddd
151ad4a7271
hex107a39d3f

4423130431 has 16 divisors (see below), whose sum is σ = 4848085440. Its totient is φ = 4016678400.

The previous prime is 4423130429. The next prime is 4423130461. The reversal of 4423130431 is 1340313244.

It is not a de Polignac number, because 4423130431 - 21 = 4423130429 is a prime.

It is a super-2 number, since 2×44231304312 = 39128165619276491522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4423130396 and 4423130405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423130461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255885 + ... + 1259401.

It is an arithmetic number, because the mean of its divisors is an integer number (303005340).

Almost surely, 24423130431 is an apocalyptic number.

4423130431 is a deficient number, since it is larger than the sum of its proper divisors (424955009).

4423130431 is a wasteful number, since it uses less digits than its factorization.

4423130431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4423130431 is about 66506.6194525026. The cubic root of 4423130431 is about 1641.5089264102.

Adding to 4423130431 its reverse (1340313244), we get a palindrome (5763443675).

The spelling of 4423130431 in words is "four billion, four hundred twenty-three million, one hundred thirty thousand, four hundred thirty-one".

Divisors: 1 17 29 493 2551 3517 43367 59789 73979 101993 1257643 1733881 8971867 152521739 260184143 4423130431