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1144441025 = 52713571881
BaseRepresentation
bin100010000110110…
…1100100011000001
32221202110121221122
41010031230203001
54320434103100
6305321202025
740234405520
oct10415544301
92852417848
101144441025
11538009532
1227b330315
13153140a50
14abdca4b7
156a713985
hex4436c8c1

1144441025 has 48 divisors (see below), whose sum is σ = 1751637888. Its totient is φ = 722304000.

The previous prime is 1144441019. The next prime is 1144441027. The reversal of 1144441025 is 5201444411.

It is not a de Polignac number, because 1144441025 - 24 = 1144441009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144440985 and 1144441003.

It is not an unprimeable number, because it can be changed into a prime (1144441027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1298585 + ... + 1299465.

It is an arithmetic number, because the mean of its divisors is an integer number (36492456).

Almost surely, 21144441025 is an apocalyptic number.

It is an amenable number.

1144441025 is a deficient number, since it is larger than the sum of its proper divisors (607196863).

1144441025 is a wasteful number, since it uses less digits than its factorization.

1144441025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1144441025 is about 33829.5880110888. The cubic root of 1144441025 is about 1045.9986866093.

Adding to 1144441025 its reverse (5201444411), we get a palindrome (6345885436).

The spelling of 1144441025 in words is "one billion, one hundred forty-four million, four hundred forty-one thousand, twenty-five".

Divisors: 1 5 7 13 25 35 65 91 175 325 455 571 881 2275 2855 3997 4405 6167 7423 11453 14275 19985 22025 30835 37115 51961 57265 80171 99925 154175 185575 259805 286325 400855 503051 1299025 2004275 2515255 3521357 6539663 12576275 17606785 32698315 45777641 88033925 163491575 228888205 1144441025