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2004888840 = 233523231583
BaseRepresentation
bin111011110000000…
…0010110100001000
312011201112220110020
41313200002310020
513101222420330
6530535420440
7100453162653
oct16740026410
95151486406
102004888840
11939786729
1247b524720
1325c499676
141503ac89a
15bb02b210
hex77802d08

2004888840 has 96 divisors (see below), whose sum is σ = 6287742720. Its totient is φ = 511375744.

The previous prime is 2004888833. The next prime is 2004888857. The reversal of 2004888840 is 488884002.

It is a junction number, because it is equal to n+sod(n) for n = 2004888792 and 2004888801.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47689 + ... + 79271.

It is an arithmetic number, because the mean of its divisors is an integer number (65497320).

Almost surely, 22004888840 is an apocalyptic number.

2004888840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2004888840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3143871360).

2004888840 is an abundant number, since it is smaller than the sum of its proper divisors (4282853880).

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

2004888840 is a wasteful number, since it uses less digits than its factorization.

2004888840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31643 (or 31616 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The square root of 2004888840 is about 44775.9850812911. The cubic root of 2004888840 is about 1260.9468066258.

The spelling of 2004888840 in words is "two billion, four million, eight hundred eighty-eight thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 60 69 92 115 120 138 184 230 276 345 460 529 552 690 920 1058 1380 1587 2116 2645 2760 3174 4232 5290 6348 7935 10580 12696 15870 21160 31583 31740 63166 63480 94749 126332 157915 189498 252664 315830 378996 473745 631660 726409 757992 947490 1263320 1452818 1894980 2179227 2905636 3632045 3789960 4358454 5811272 7264090 8716908 10896135 14528180 16707407 17433816 21792270 29056360 33414814 43584540 50122221 66829628 83537035 87169080 100244442 133659256 167074070 200488884 250611105 334148140 400977768 501222210 668296280 1002444420 2004888840