Search a number
-
+
2045285 = 51141907
BaseRepresentation
bin111110011010101100101
310211220121022
413303111211
51010422120
6111500525
723245634
oct7632545
93756538
102045285
111177720
12827745
13567c38
143b351b
152a6025
hex1f3565

2045285 has 16 divisors (see below), whose sum is σ = 2745792. Its totient is φ = 1449600.

The previous prime is 2045213. The next prime is 2045311. The reversal of 2045285 is 5825402.

It is not a de Polignac number, because 2045285 - 216 = 1979749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1802 + ... + 2708.

It is an arithmetic number, because the mean of its divisors is an integer number (171612).

22045285 is an apocalyptic number.

It is an amenable number.

2045285 is a deficient number, since it is larger than the sum of its proper divisors (700507).

2045285 is a wasteful number, since it uses less digits than its factorization.

2045285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2045285 is about 1430.1346090491. The cubic root of 2045285 is about 126.9359422338.

The spelling of 2045285 in words is "two million, forty-five thousand, two hundred eighty-five".

Divisors: 1 5 11 41 55 205 451 907 2255 4535 9977 37187 49885 185935 409057 2045285