Search a number
-
+
431048441 is a prime number
BaseRepresentation
bin11001101100010…
…100011011111001
31010001002112022002
4121230110123321
51340322022231
6110434510345
713452564665
oct3154243371
91101075262
10431048441
1120135208a
121004353b5
136b3c2865
14413678a5
1527c980cb
hex19b146f9

431048441 has 2 divisors, whose sum is σ = 431048442. Its totient is φ = 431048440.

The previous prime is 431048389. The next prime is 431048461. The reversal of 431048441 is 144840134.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218005225 + 213043216 = 14765^2 + 14596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-431048441 is a prime.

It is not a weakly prime, because it can be changed into another prime (431048461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215524220 + 215524221.

It is an arithmetic number, because the mean of its divisors is an integer number (215524221).

Almost surely, 2431048441 is an apocalyptic number.

It is an amenable number.

431048441 is a deficient number, since it is larger than the sum of its proper divisors (1).

431048441 is an equidigital number, since it uses as much as digits as its factorization.

431048441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 431048441 is about 20761.7061196810. The cubic root of 431048441 is about 755.3971806079.

Adding to 431048441 its reverse (144840134), we get a palindrome (575888575).

The spelling of 431048441 in words is "four hundred thirty-one million, forty-eight thousand, four hundred forty-one".