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3580945 = 55313513
BaseRepresentation
bin1101101010010000010001
320201221010121
431222100101
51404042240
6204430241
742303034
oct15522021
96657117
103580945
112026465
121248381
13984c04
1469301b
154ab04a
hex36a411

3580945 has 8 divisors (see below), whose sum is σ = 4378536. Its totient is φ = 2810496.

The previous prime is 3580943. The next prime is 3580957. The reversal of 3580945 is 5490853.

It can be written as a sum of positive squares in 4 ways, for example, as 677329 + 2903616 = 823^2 + 1704^2 .

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 3580945 - 21 = 3580943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3580945.

It is not an unprimeable number, because it can be changed into a prime (3580943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6492 + ... + 7021.

It is an arithmetic number, because the mean of its divisors is an integer number (547317).

Almost surely, 23580945 is an apocalyptic number.

It is an amenable number.

3580945 is a deficient number, since it is larger than the sum of its proper divisors (797591).

3580945 is a wasteful number, since it uses less digits than its factorization.

3580945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13571.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 3580945 is about 1892.3385003746. The cubic root of 3580945 is about 152.9910000829.

The spelling of 3580945 in words is "three million, five hundred eighty thousand, nine hundred forty-five".

Divisors: 1 5 53 265 13513 67565 716189 3580945