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2288442620 = 225671978669
BaseRepresentation
bin1000100001100110…
…1101110011111100
312220111002221010002
42020121231303330
514141320130440
61015025133432
7110465304242
oct21031556374
95814087102
102288442620
11a748478a2
1253a48a278
132a6159779
14179d00792
15d5d8c115
hex8866dcfc

2288442620 has 48 divisors (see below), whose sum is σ = 4902780960. Its totient is φ = 897033984.

The previous prime is 2288442619. The next prime is 2288442649. The reversal of 2288442620 is 262448822.

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 15 ways as a sum of consecutive naturals, for example, 259646 + ... + 268314.

It is an arithmetic number, because the mean of its divisors is an integer number (102141270).

Almost surely, 22288442620 is an apocalyptic number.

2288442620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2288442620 is an abundant number, since it is smaller than the sum of its proper divisors (2614338340).

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

2288442620 is a wasteful number, since it uses less digits than its factorization.

2288442620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942 (or 8940 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 2288442620 is about 47837.6694666452. The cubic root of 2288442620 is about 1317.7914207600.

The spelling of 2288442620 in words is "two billion, two hundred eighty-eight million, four hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 197 268 335 394 670 788 985 1340 1970 3940 8669 13199 17338 26398 34676 43345 52796 65995 86690 131990 173380 263980 580823 1161646 1707793 2323292 2904115 3415586 5808230 6831172 8538965 11616460 17077930 34155860 114422131 228844262 457688524 572110655 1144221310 2288442620