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3780800 = 265217139
BaseRepresentation
bin1110011011000011000000
321010002021122
432123003000
51431441200
6213011412
744064512
oct16330300
97102248
103780800
112152631
121323b68
13a24b7a
14705bb2
154ea385
hex39b0c0

3780800 has 84 divisors (see below), whose sum is σ = 9921240. Its totient is φ = 1413120.

The previous prime is 3780797. The next prime is 3780811. The reversal of 3780800 is 80873.

It is a super-3 number, since 3×37808003 (a number of 21 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3780800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27131 + ... + 27269.

It is an arithmetic number, because the mean of its divisors is an integer number (118110).

Almost surely, 23780800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3780800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4960620).

3780800 is an abundant number, since it is smaller than the sum of its proper divisors (6140440).

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

3780800 is a wasteful number, since it uses less digits than its factorization.

3780800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 3780800 is about 1944.4279364379. The cubic root of 3780800 is about 155.7858116859.

The spelling of 3780800 in words is "three million, seven hundred eighty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 136 139 160 170 200 272 278 320 340 400 425 544 556 680 695 800 850 1088 1112 1360 1390 1600 1700 2224 2363 2720 2780 3400 3475 4448 4726 5440 5560 6800 6950 8896 9452 11120 11815 13600 13900 18904 22240 23630 27200 27800 37808 44480 47260 55600 59075 75616 94520 111200 118150 151232 189040 222400 236300 378080 472600 756160 945200 1890400 3780800