Search a number
-
+
2238582 = 23509733
BaseRepresentation
bin1000100010100001110110
311012201202110
420202201312
51033113312
6115551450
725012323
oct10424166
94181673
102238582
111299975
128bb586
13604c08
14423b4a
152e343c
hex222876

2238582 has 16 divisors (see below), whose sum is σ = 4492080. Its totient is φ = 743712.

The previous prime is 2238571. The next prime is 2238589. The reversal of 2238582 is 2858322.

It is a super-2 number, since 2×22385822 = 10022498741448, which contains 22 as substring.

It is a d-powerful number, because it can be written as 25 + 212 + 310 + 82 + 57 + 82 + 221 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238589) 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, 2688 + ... + 3420.

It is an arithmetic number, because the mean of its divisors is an integer number (280755).

22238582 is an apocalyptic number.

2238582 is an abundant number, since it is smaller than the sum of its proper divisors (2253498).

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

2238582 is a wasteful number, since it uses less digits than its factorization.

2238582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247.

The product of its digits is 7680, while the sum is 30.

The square root of 2238582 is about 1496.1891591640. The cubic root of 2238582 is about 130.8150372223.

The spelling of 2238582 in words is "two million, two hundred thirty-eight thousand, five hundred eighty-two".

Divisors: 1 2 3 6 509 733 1018 1466 1527 2199 3054 4398 373097 746194 1119291 2238582