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3681485 = 5898273
BaseRepresentation
bin1110000010110011001101
320221001001022
432002303031
51420301420
6210523525
743202123
oct16026315
96831038
103681485
112094a55
1212965a5
139bb8c2
146bb913
154cac25
hex382ccd

3681485 has 8 divisors (see below), whose sum is σ = 4467960. Its totient is φ = 2911744.

The previous prime is 3681481. The next prime is 3681487. The reversal of 3681485 is 5841863.

3681485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 306916 + 3374569 = 554^2 + 1837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3681485 - 22 = 3681481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681481) by changing a digit.

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, 3692 + ... + 4581.

It is an arithmetic number, because the mean of its divisors is an integer number (558495).

Almost surely, 23681485 is an apocalyptic number.

It is an amenable number.

3681485 is a deficient number, since it is larger than the sum of its proper divisors (786475).

3681485 is an equidigital number, since it uses as much as digits as its factorization.

3681485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367.

The product of its digits is 23040, while the sum is 35.

The square root of 3681485 is about 1918.7196251667. The cubic root of 3681485 is about 154.4096167733.

The spelling of 3681485 in words is "three million, six hundred eighty-one thousand, four hundred eighty-five".

Divisors: 1 5 89 445 8273 41365 736297 3681485