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2004144550 = 25240082891
BaseRepresentation
bin111011101110100…
…1101000110100110
312011200011002110221
41313131031012212
513101030111200
6530511434554
7100443643012
oct16735150646
95150132427
102004144550
11939318511
1247b225a5a
1325c298965
14150257542
15bae3091a
hex7774d1a6

2004144550 has 12 divisors (see below), whose sum is σ = 3727708956. Its totient is φ = 801657800.

The previous prime is 2004144539. The next prime is 2004144551. The reversal of 2004144550 is 554414002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004144551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20041396 + ... + 20041495.

It is an arithmetic number, because the mean of its divisors is an integer number (310642413).

Almost surely, 22004144550 is an apocalyptic number.

2004144550 is a deficient number, since it is larger than the sum of its proper divisors (1723564406).

2004144550 is a wasteful number, since it uses less digits than its factorization.

2004144550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40082903 (or 40082898 counting only the distinct ones).

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

The square root of 2004144550 is about 44767.6730465187. The cubic root of 2004144550 is about 1260.7907503829.

Adding to 2004144550 its reverse (554414002), we get a palindrome (2558558552).

The spelling of 2004144550 in words is "two billion, four million, one hundred forty-four thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 40082891 80165782 200414455 400828910 1002072275 2004144550