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3085745 = 513291637
BaseRepresentation
bin1011110001010110110001
312210202211212
423301112301
51242220440
6150045505
735141225
oct13612661
95722755
103085745
111818403
121049895
138406b0
145a4785
1540e465
hex2f15b1

3085745 has 16 divisors (see below), whose sum is σ = 4127760. Its totient is φ = 2198784.

The previous prime is 3085741. The next prime is 3085751. The reversal of 3085745 is 5475803.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 868624 + 2217121 = 932^2 + 1489^2 .

It is a cyclic number.

It is not a de Polignac number, because 3085745 - 22 = 3085741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3085741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (257985).

Almost surely, 23085745 is an apocalyptic number.

It is an amenable number.

3085745 is a deficient number, since it is larger than the sum of its proper divisors (1042015).

3085745 is a wasteful number, since it uses less digits than its factorization.

3085745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 3085745 is about 1756.6288737238. The cubic root of 3085745 is about 145.5861332294.

The spelling of 3085745 in words is "three million, eighty-five thousand, seven hundred forty-five".

Divisors: 1 5 13 29 65 145 377 1637 1885 8185 21281 47473 106405 237365 617149 3085745