Search a number
-
+
1443022401 = 3481007467
BaseRepresentation
bin101011000000010…
…1100011001000001
310201120022010121010
41112000230121001
510423403204101
6355104551133
750521326252
oct12600543101
93646263533
101443022401
116806040a7
123433224a9
1319cc62c12
14d9910b29
1586a422d6
hex5602c641

1443022401 has 4 divisors (see below), whose sum is σ = 1924029872. Its totient is φ = 962014932.

The previous prime is 1443022367. The next prime is 1443022421. The reversal of 1443022401 is 1042203441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1443022401 - 226 = 1375913537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240503731 + ... + 240503736.

It is an arithmetic number, because the mean of its divisors is an integer number (481007468).

Almost surely, 21443022401 is an apocalyptic number.

It is an amenable number.

1443022401 is a deficient number, since it is larger than the sum of its proper divisors (481007471).

1443022401 is an equidigital number, since it uses as much as digits as its factorization.

1443022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481007470.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1443022401 is about 37987.1346774141. The cubic root of 1443022401 is about 1130.0327348441.

Adding to 1443022401 its reverse (1042203441), we get a palindrome (2485225842).

The spelling of 1443022401 in words is "one billion, four hundred forty-three million, twenty-two thousand, four hundred one".

Divisors: 1 3 481007467 1443022401