Search a number
-
+
440022030 = 23572095343
BaseRepresentation
bin11010001110100…
…011010000001110
31010122222102202020
4122032203100032
51400121201110
6111355111010
713622061030
oct3216432016
91118872666
10440022030
11206421078
12103442466
1370215186
1442621c50
152896bd70
hex1a3a340e

440022030 has 32 divisors (see below), whose sum is σ = 1206918144. Its totient is φ = 100576416.

The previous prime is 440021957. The next prime is 440022047. The reversal of 440022030 is 30220044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1047462 + ... + 1047881.

It is an arithmetic number, because the mean of its divisors is an integer number (37716192).

Almost surely, 2440022030 is an apocalyptic number.

440022030 is an abundant number, since it is smaller than the sum of its proper divisors (766896114).

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

440022030 is a wasteful number, since it uses less digits than its factorization.

440022030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095360.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 440022030 is about 20976.7020763513. The cubic root of 440022030 is about 760.6031857348.

Adding to 440022030 its reverse (30220044), we get a palindrome (470242074).

The spelling of 440022030 in words is "four hundred forty million, twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 2095343 4190686 6286029 10476715 12572058 14667401 20953430 29334802 31430145 44002203 62860290 73337005 88004406 146674010 220011015 440022030