Search a number
-
+
2285385 = 351511009
BaseRepresentation
bin1000101101111101001001
311022002221220
420231331021
51041113020
6120552253
725265634
oct10557511
94262856
102285385
111321053
12922689
136202cb
14436c1b
15302240
hex22df49

2285385 has 16 divisors (see below), whose sum is σ = 3684480. Its totient is φ = 1209600.

The previous prime is 2285369. The next prime is 2285389. The reversal of 2285385 is 5835822.

It is not a de Polignac number, because 2285385 - 24 = 2285369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2285389) 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, 1761 + ... + 2769.

It is an arithmetic number, because the mean of its divisors is an integer number (230280).

22285385 is an apocalyptic number.

It is an amenable number.

2285385 is a deficient number, since it is larger than the sum of its proper divisors (1399095).

2285385 is a wasteful number, since it uses less digits than its factorization.

2285385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168.

The product of its digits is 19200, while the sum is 33.

The square root of 2285385 is about 1511.7489871007. The cubic root of 2285385 is about 131.7204252695.

The spelling of 2285385 in words is "two million, two hundred eighty-five thousand, three hundred eighty-five".

Divisors: 1 3 5 15 151 453 755 1009 2265 3027 5045 15135 152359 457077 761795 2285385