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2204440240 = 245112924407
BaseRepresentation
bin1000001101100101…
…0001011010110000
312200122001011111211
42003121101122300
514003314041430
61002424445504
7105425301322
oct20331213260
95618034454
102204440240
11a31392642
12516319894
13291927712
1416cab5612
15cd7e772a
hex836516b0

2204440240 has 40 divisors (see below), whose sum is σ = 5130073440. Its totient is φ = 880958976.

The previous prime is 2204440181. The next prime is 2204440309. The reversal of 2204440240 is 420444022.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78117 + ... + 102523.

It is an arithmetic number, because the mean of its divisors is an integer number (128251836).

Almost surely, 22204440240 is an apocalyptic number.

2204440240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204440240 is an abundant number, since it is smaller than the sum of its proper divisors (2925633200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2204440240 is a wasteful number, since it uses less digits than its factorization.

2204440240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25549 (or 25543 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2204440240 is about 46951.4668567447. The cubic root of 2204440240 is about 1301.4658494799.

Adding to 2204440240 its reverse (420444022), we get a palindrome (2624884262).

The spelling of 2204440240 in words is "two billion, two hundred four million, four hundred forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1129 2258 4516 5645 9032 11290 18064 22580 24407 45160 48814 90320 97628 122035 195256 244070 390512 488140 976280 1952560 27555503 55111006 110222012 137777515 220444024 275555030 440888048 551110060 1102220120 2204440240