Search a number
-
+
440043132 = 223227161543
BaseRepresentation
bin11010001110101…
…000011001111100
31010200000111200210
4122032220121330
51400122340012
6111355352420
713622206404
oct3216503174
91120014623
10440043132
11206435a11
12103452710
1370221969
1442629804
152897323c
hex1a3a867c

440043132 has 24 divisors (see below), whose sum is σ = 1031296896. Its totient is φ = 146033968.

The previous prime is 440043127. The next prime is 440043133. The reversal of 440043132 is 231340044.

It is a junction number, because it is equal to n+sod(n) for n = 440043099 and 440043108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440043133) 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, 78048 + ... + 83495.

It is an arithmetic number, because the mean of its divisors is an integer number (42970704).

Almost surely, 2440043132 is an apocalyptic number.

It is an amenable number.

440043132 is an abundant number, since it is smaller than the sum of its proper divisors (591253764).

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

440043132 is a wasteful number, since it uses less digits than its factorization.

440043132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161777 (or 161775 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 440043132 is about 20977.2050569183. The cubic root of 440043132 is about 760.6153442108.

Adding to 440043132 its reverse (231340044), we get a palindrome (671383176).

The spelling of 440043132 in words is "four hundred forty million, forty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 227 454 681 908 1362 2724 161543 323086 484629 646172 969258 1938516 36670261 73340522 110010783 146681044 220021566 440043132