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3873744 = 24347261
BaseRepresentation
bin1110110001101111010000
321021210210000
432301233100
51442424434
6215010000
744632500
oct16615720
97253700
103873744
112206446
121369900
13a58274
1472ba00
15517b99
hex3b1bd0

3873744 has 150 divisors (see below), whose sum is σ = 13256034. Its totient is φ = 1088640.

The previous prime is 3873743. The next prime is 3873767. The reversal of 3873744 is 4473783.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 1587600 = 1512^2 + 1260^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 311 + 87 + 74 + 313 + 74 + 43 + 44 .

It is a junction number, because it is equal to n+sod(n) for n = 3873699 and 3873708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3873743) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 63474 + ... + 63534.

Almost surely, 23873744 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 3873744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6628017).

3873744 is an abundant number, since it is smaller than the sum of its proper divisors (9382290).

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

3873744 is a wasteful number, since it uses less digits than its factorization.

3873744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 73 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 3873744 is about 1968.1829183285. The cubic root of 3873744 is about 157.0520605745.

It can be divided in two parts, 38737 and 44, that added together give a triangular number (38781 = T278).

The spelling of 3873744 in words is "three million, eight hundred seventy-three thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 61 63 72 81 84 98 108 112 122 126 144 147 162 168 183 189 196 216 244 252 294 324 336 366 378 392 427 432 441 488 504 549 567 588 648 732 756 784 854 882 976 1008 1098 1134 1176 1281 1296 1323 1464 1512 1647 1708 1764 2196 2268 2352 2562 2646 2928 2989 3024 3294 3416 3528 3843 3969 4392 4536 4941 5124 5292 5978 6588 6832 7056 7686 7938 8784 8967 9072 9882 10248 10584 11529 11956 13176 15372 15876 17934 19764 20496 21168 23058 23912 26352 26901 30744 31752 34587 35868 39528 46116 47824 53802 61488 63504 69174 71736 79056 80703 92232 107604 138348 143472 161406 184464 215208 242109 276696 322812 430416 484218 553392 645624 968436 1291248 1936872 3873744