Search a number
-
+
3886680 = 233572661
BaseRepresentation
bin1110110100111001011000
321022110112010
432310321120
51443333210
6215145520
745015300
oct16647130
97273463
103886680
112215136
1213752a0
13a61115
14732600
1551b920
hex3b4e58

3886680 has 96 divisors (see below), whose sum is σ = 13584240. Its totient is φ = 887040.

The previous prime is 3886679. The next prime is 3886699. The reversal of 3886680 is 866883.

It is a congruent number.

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, 5550 + ... + 6210.

Almost surely, 23886680 is an apocalyptic number.

3886680 is a gapful number since it is divisible by the number (30) 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 3886680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6792120).

3886680 is an abundant number, since it is smaller than the sum of its proper divisors (9697560).

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

3886680 is a wasteful number, since it uses less digits than its factorization.

3886680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 3886680 is about 1971.4664592633. The cubic root of 3886680 is about 157.2266864807.

The spelling of 3886680 in words is "three million, eight hundred eighty-six thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 661 735 840 980 1176 1322 1470 1960 1983 2644 2940 3305 3966 4627 5288 5880 6610 7932 9254 9915 13220 13881 15864 18508 19830 23135 26440 27762 32389 37016 39660 46270 55524 64778 69405 79320 92540 97167 111048 129556 138810 161945 185080 194334 259112 277620 323890 388668 485835 555240 647780 777336 971670 1295560 1943340 3886680