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3688860380 = 2257114871747
BaseRepresentation
bin1101101111011111…
…1000101011011100
3100112002020112010112
43123313320223130
530023322013010
61410013025152
7160261536662
oct33367705334
910462215115
103688860380
1116232a1447
1286b4851b8
1346a32342a
1426dcc0c32
15168cb5a05
hexdbdf8adc

3688860380 has 48 divisors (see below), whose sum is σ = 7865496576. Its totient is φ = 1452951360.

The previous prime is 3688860337. The next prime is 3688860403. The reversal of 3688860380 is 830688863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110667 + ... + 2112413.

It is an arithmetic number, because the mean of its divisors is an integer number (163864512).

Almost surely, 23688860380 is an apocalyptic number.

It is an amenable number.

3688860380 is an abundant number, since it is smaller than the sum of its proper divisors (4176636196).

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

3688860380 is a wasteful number, since it uses less digits than its factorization.

3688860380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 3688860380 is about 60735.9891662266. The cubic root of 3688860380 is about 1545.1266123725.

The spelling of 3688860380 in words is "three billion, six hundred eighty-eight million, eight hundred sixty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 1487 1747 2974 3494 5948 6988 7435 8735 14870 17470 29740 34940 105577 124037 211154 248074 422308 496148 527885 620185 1055770 1240370 2111540 2480740 2597789 5195578 10391156 12988945 25977890 51955780 184443019 368886038 737772076 922215095 1844430190 3688860380