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8048886660 = 22325278916033
BaseRepresentation
bin1110111111100000…
…00100001110000100
3202202221101210210100
413133300010032010
5112441003333120
63410403324100
7403313256603
oct73760041604
922687353710
108048886660
113460428751
121687680630
139b36cb839
14564d91a3a
15321955490
hex1dfc04384

8048886660 has 72 divisors (see below), whose sum is σ = 24425233560. Its totient is φ = 2145466368.

The previous prime is 8048886653. The next prime is 8048886683. The reversal of 8048886660 is 666888408.

It can be written as a sum of positive squares in 4 ways, for example, as 3873024 + 8045013636 = 1968^2 + 89694^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8048886597 and 8048886606.

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, 494004 + ... + 510036.

It is an arithmetic number, because the mean of its divisors is an integer number (339239355).

Almost surely, 28048886660 is an apocalyptic number.

It is an amenable number.

8048886660 is an abundant number, since it is smaller than the sum of its proper divisors (16376346900).

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

8048886660 is a wasteful number, since it uses less digits than its factorization.

8048886660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18837 (or 18832 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The square root of 8048886660 is about 89715.5876088431. The cubic root of 8048886660 is about 2004.0656181079.

The spelling of 8048886660 in words is "eight billion, forty-eight million, eight hundred eighty-six thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2789 5578 8367 11156 13945 16033 16734 25101 27890 32066 33468 41835 48099 50202 55780 64132 80165 83670 96198 100404 125505 144297 160330 167340 192396 240495 251010 288594 320660 480990 502020 577188 721485 961980 1442970 2885940 44716037 89432074 134148111 178864148 223580185 268296222 402444333 447160370 536592444 670740555 804888666 894320740 1341481110 1609777332 2012221665 2682962220 4024443330 8048886660