Search a number
-
+
2812285 = 57194229
BaseRepresentation
bin1010101110100101111101
312021212201201
422232211331
51204443120
6140135501
732622040
oct12564575
95255651
102812285
111650a03
12b37591
13776098
14532c57
153a840a
hex2ae97d

2812285 has 16 divisors (see below), whose sum is σ = 4060800. Its totient is φ = 1826496.

The previous prime is 2812267. The next prime is 2812291. The reversal of 2812285 is 5822182.

It is not a de Polignac number, because 2812285 - 211 = 2810237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (253800).

22812285 is an apocalyptic number.

It is an amenable number.

2812285 is a deficient number, since it is larger than the sum of its proper divisors (1248515).

2812285 is a wasteful number, since it uses less digits than its factorization.

2812285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260.

The product of its digits is 2560, while the sum is 28.

The square root of 2812285 is about 1676.9868812844. The cubic root of 2812285 is about 141.1518073917.

The spelling of 2812285 in words is "two million, eight hundred twelve thousand, two hundred eighty-five".

Divisors: 1 5 7 19 35 95 133 665 4229 21145 29603 80351 148015 401755 562457 2812285