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3886045 = 5777209
BaseRepresentation
bin1110110100101111011101
321022102122121
432310233131
51443323140
6215142541
745013402
oct16645735
97272577
103886045
112214709
121374a51
13a60a47
147322a9
1551b64a
hex3b4bdd

3886045 has 4 divisors (see below), whose sum is σ = 4663260. Its totient is φ = 3108832.

The previous prime is 3886037. The next prime is 3886049. The reversal of 3886045 is 5406883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5406883 = 12234421.

It can be written as a sum of positive squares in 2 ways, for example, as 2913849 + 972196 = 1707^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 3886045 - 23 = 3886037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3886045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388600 + ... + 388609.

It is an arithmetic number, because the mean of its divisors is an integer number (1165815).

Almost surely, 23886045 is an apocalyptic number.

It is an amenable number.

3886045 is a deficient number, since it is larger than the sum of its proper divisors (777215).

3886045 is an equidigital number, since it uses as much as digits as its factorization.

3886045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777214.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 3886045 is about 1971.3054050552. The cubic root of 3886045 is about 157.2181235269.

The spelling of 3886045 in words is "three million, eight hundred eighty-six thousand, forty-five".

Divisors: 1 5 777209 3886045