Search a number
-
+
2828872 = 231937503
BaseRepresentation
bin1010110010101001001000
312022201111001
422302221020
51211010442
6140344344
733021304
oct12625110
95281431
102828872
111662412
12b450b4
137807b7
14538d04
153ad2b7
hex2b2a48

2828872 has 32 divisors (see below), whose sum is σ = 5745600. Its totient is φ = 1301184.

The previous prime is 2828869. The next prime is 2828879. The reversal of 2828872 is 2788282.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (2828879) 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, 5373 + ... + 5875.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

22828872 is an apocalyptic number.

It is an amenable number.

2828872 is an abundant number, since it is smaller than the sum of its proper divisors (2916728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2828872 is a wasteful number, since it uses less digits than its factorization.

2828872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 561 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 2828872 is about 1681.9250875113. The cubic root of 2828872 is about 141.4287704362.

It can be divided in two parts, 28 and 28872, that added together give a square (28900 = 1702).

The spelling of 2828872 in words is "two million, eight hundred twenty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 19 37 38 74 76 148 152 296 503 703 1006 1406 2012 2812 4024 5624 9557 18611 19114 37222 38228 74444 76456 148888 353609 707218 1414436 2828872