Search a number
-
+
2231882 = 21115941
BaseRepresentation
bin1000100000111001001010
311012101120022
420200321022
51032410012
6115500442
724653642
oct10407112
94171508
102231882
111294934
128b7722
13601b53
14421522
152e1472
hex220e4a

2231882 has 4 divisors (see below), whose sum is σ = 3347826. Its totient is φ = 1115940.

The previous prime is 2231881. The next prime is 2231891. The reversal of 2231882 is 2881322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1229881 + 1002001 = 1109^2 + 1001^2 .

It is a super-3 number, since 3×22318823 = 33353003086612382904, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557969 + ... + 557972.

22231882 is an apocalyptic number.

2231882 is a deficient number, since it is larger than the sum of its proper divisors (1115944).

2231882 is a wasteful number, since it uses less digits than its factorization.

2231882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115943.

The product of its digits is 1536, while the sum is 26.

The square root of 2231882 is about 1493.9484596197. The cubic root of 2231882 is about 130.6843984798.

It can be divided in two parts, 2231 and 882, that added together give a palindrome (3113).

The spelling of 2231882 in words is "two million, two hundred thirty-one thousand, eight hundred eighty-two".

Divisors: 1 2 1115941 2231882