Search a number
-
+
2867238 = 234111609
BaseRepresentation
bin1010111100000000100110
312101200010000
422330000212
51213222423
6141242130
733241203
oct12740046
95350100
102867238
111689220
12b63346
137950ba
14548caa
153b9843
hex2bc026

2867238 has 40 divisors (see below), whose sum is σ = 7013160. Its totient is φ = 868320.

The previous prime is 2867231. The next prime is 2867239. The reversal of 2867238 is 8327682.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2867231) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 978 + ... + 2586.

It is an arithmetic number, because the mean of its divisors is an integer number (175329).

22867238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2867238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3506580).

2867238 is an abundant number, since it is smaller than the sum of its proper divisors (4145922).

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

2867238 is a wasteful number, since it uses less digits than its factorization.

2867238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634 (or 1625 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2867238 is about 1693.2920598645. The cubic root of 2867238 is about 142.0652678868.

The spelling of 2867238 in words is "two million, eight hundred sixty-seven thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 297 594 891 1609 1782 3218 4827 9654 14481 17699 28962 35398 43443 53097 86886 106194 130329 159291 260658 318582 477873 955746 1433619 2867238