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1444150025 = 52550110501
BaseRepresentation
bin101011000010011…
…1111101100001001
310201122102102101222
41112010333230021
510424200300100
6355145051425
750534033633
oct12604775411
93648372358
101444150025
1168120431a
12343786b75
131a0269256
14d9b25a53
1586bb6485
hex5613fb09

1444150025 has 12 divisors (see below), whose sum is σ = 1791242124. Its totient is φ = 1155000000.

The previous prime is 1444149991. The next prime is 1444150027. The reversal of 1444150025 is 5200514441.

It can be written as a sum of positive squares in 6 ways, for example, as 8649481 + 1435500544 = 2941^2 + 37888^2 .

It is not a de Polignac number, because 1444150025 - 28 = 1444149769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1444149976 and 1444150003.

It is not an unprimeable number, because it can be changed into a prime (1444150027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132275 + ... + 142775.

It is an arithmetic number, because the mean of its divisors is an integer number (149270177).

Almost surely, 21444150025 is an apocalyptic number.

It is an amenable number.

1444150025 is a deficient number, since it is larger than the sum of its proper divisors (347092099).

1444150025 is a wasteful number, since it uses less digits than its factorization.

1444150025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16012 (or 16007 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1444150025 is about 38001.9739618878. The cubic root of 1444150025 is about 1130.3270061509.

Adding to 1444150025 its reverse (5200514441), we get a palindrome (6644664466).

The spelling of 1444150025 in words is "one billion, four hundred forty-four million, one hundred fifty thousand, twenty-five".

Divisors: 1 5 25 5501 10501 27505 52505 137525 262525 57766001 288830005 1444150025