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1444502005 = 52312560887
BaseRepresentation
bin101011000011001…
…0101100111110101
310201200002022020021
41112012111213311
510424243031010
6355200405141
750540031052
oct12606254765
93650068207
101444502005
11681424811
123439167b1
131a036051b
14d9bb8029
1586c358da
hex561959f5

1444502005 has 8 divisors (see below), whose sum is σ = 1808767872. Its totient is φ = 1105357968.

The previous prime is 1444501987. The next prime is 1444502041. The reversal of 1444502005 is 5002054441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1444502005 - 29 = 1444501493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6280329 + ... + 6280558.

It is an arithmetic number, because the mean of its divisors is an integer number (226095984).

Almost surely, 21444502005 is an apocalyptic number.

It is an amenable number.

1444502005 is a deficient number, since it is larger than the sum of its proper divisors (364265867).

1444502005 is a wasteful number, since it uses less digits than its factorization.

1444502005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560915.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1444502005 is about 38006.6047549633. The cubic root of 1444502005 is about 1130.4188295244.

Adding to 1444502005 its reverse (5002054441), we get a palindrome (6446556446).

The spelling of 1444502005 in words is "one billion, four hundred forty-four million, five hundred two thousand, five".

Divisors: 1 5 23 115 12560887 62804435 288900401 1444502005