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3883640 = 235791229
BaseRepresentation
bin1110110100001001111000
321022022100112
432310021320
51443234030
6215123452
745003365
oct16641170
97268315
103883640
112212922
121373588
13a5c917
1473146c
1551aa95
hex3b4278

3883640 has 32 divisors (see below), whose sum is σ = 8856000. Its totient is φ = 1532544.

The previous prime is 3883639. The next prime is 3883669. The reversal of 3883640 is 463883.

3883640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3883597 and 3883606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2546 + ... + 3774.

It is an arithmetic number, because the mean of its divisors is an integer number (276750).

Almost surely, 23883640 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 3883640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4428000).

3883640 is an abundant number, since it is smaller than the sum of its proper divisors (4972360).

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

3883640 is a wasteful number, since it uses less digits than its factorization.

3883640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 3883640 is about 1970.6953087679. The cubic root of 3883640 is about 157.1856837228.

The spelling of 3883640 in words is "three million, eight hundred eighty-three thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1229 1580 2458 3160 4916 6145 9832 12290 24580 49160 97091 194182 388364 485455 776728 970910 1941820 3883640