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2231262 = 2321159191
BaseRepresentation
bin1000100000101111011110
311012100201100
420200233132
51032400022
6115453530
724652065
oct10405736
94170640
102231262
111294420
128b72a6
13601797
144211dc
152e11ac
hex220bde

2231262 has 48 divisors (see below), whose sum is σ = 5391360. Its totient is φ = 661200.

The previous prime is 2231219. The next prime is 2231269. The reversal of 2231262 is 2621322.

2231262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22312623 = 33325215168594830184, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11587 + ... + 11777.

It is an arithmetic number, because the mean of its divisors is an integer number (112320).

22231262 is an apocalyptic number.

2231262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2695680).

2231262 is an abundant number, since it is smaller than the sum of its proper divisors (3160098).

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

2231262 is a wasteful number, since it uses less digits than its factorization.

2231262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 266 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2231262 is about 1493.7409413951. The cubic root of 2231262 is about 130.6722963121.

Adding to 2231262 its reverse (2621322), we get a palindrome (4852584).

It can be divided in two parts, 223 and 1262, that added together give a triangular number (1485 = T54).

The spelling of 2231262 in words is "two million, two hundred thirty-one thousand, two hundred sixty-two".

Divisors: 1 2 3 6 9 11 18 22 33 59 66 99 118 177 191 198 354 382 531 573 649 1062 1146 1298 1719 1947 2101 3438 3894 4202 5841 6303 11269 11682 12606 18909 22538 33807 37818 67614 101421 123959 202842 247918 371877 743754 1115631 2231262