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3880540 = 225194027
BaseRepresentation
bin1110110011011001011100
321022011002201
432303121130
51443134130
6215101244
744661346
oct16633134
97264081
103880540
112210564
121371824
13a5b3a1
14730296
15519bca
hex3b365c

3880540 has 12 divisors (see below), whose sum is σ = 8149176. Its totient is φ = 1552208.

The previous prime is 3880517. The next prime is 3880543. The reversal of 3880540 is 450883.

It is a junction number, because it is equal to n+sod(n) for n = 3880499 and 3880508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96994 + ... + 97033.

It is an arithmetic number, because the mean of its divisors is an integer number (679098).

Almost surely, 23880540 is an apocalyptic number.

It is an amenable number.

3880540 is an abundant number, since it is smaller than the sum of its proper divisors (4268636).

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

3880540 is a wasteful number, since it uses less digits than its factorization.

3880540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194036 (or 194034 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 3880540 is about 1969.9086273226. The cubic root of 3880540 is about 157.1438496592.

The spelling of 3880540 in words is "three million, eight hundred eighty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 194027 388054 776108 970135 1940270 3880540