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3808080 = 243354143
BaseRepresentation
bin1110100001101101010000
321011110201000
432201231100
51433324310
6213342000
744240163
oct16415520
97143630
103808080
112171081
121337900
13a34403
14711ada
155034c0
hex3a1b50

3808080 has 160 divisors (see below), whose sum is σ = 13749120. Its totient is φ = 967680.

The previous prime is 3808073. The next prime is 3808109. The reversal of 3808080 is 808083.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88539 + ... + 88581.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

Almost surely, 23808080 is an apocalyptic number.

3808080 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 3808080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6874560).

3808080 is an abundant number, since it is smaller than the sum of its proper divisors (9941040).

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

3808080 is a wasteful number, since it uses less digits than its factorization.

3808080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 3808080 is about 1951.4302447180. The cubic root of 3808080 is about 156.1595999749.

The spelling of 3808080 in words is "three million, eight hundred eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 41 43 45 48 54 60 72 80 82 86 90 108 120 123 129 135 144 164 172 180 205 215 216 240 246 258 270 328 344 360 369 387 410 430 432 492 516 540 615 645 656 688 720 738 774 820 860 984 1032 1080 1107 1161 1230 1290 1476 1548 1640 1720 1763 1845 1935 1968 2064 2160 2214 2322 2460 2580 2952 3096 3280 3440 3526 3690 3870 4428 4644 4920 5160 5289 5535 5805 5904 6192 7052 7380 7740 8815 8856 9288 9840 10320 10578 11070 11610 14104 14760 15480 15867 17630 17712 18576 21156 22140 23220 26445 28208 29520 30960 31734 35260 42312 44280 46440 47601 52890 63468 70520 79335 84624 88560 92880 95202 105780 126936 141040 158670 190404 211560 238005 253872 317340 380808 423120 476010 634680 761616 952020 1269360 1904040 3808080