Search a number
-
+
444430 = 2572907
BaseRepresentation
bin1101100100000001110
3211120122101
41230200032
5103210210
613305314
73530500
oct1544016
9746571
10444430
112839a8
1219523a
1312739c
14b7d70
158ba3a
hex6c80e

444430 has 24 divisors (see below), whose sum is σ = 931608. Its totient is φ = 152208.

The previous prime is 444421. The next prime is 444443. The reversal of 444430 is 34444.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 444398 and 444407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37 + ... + 943.

It is an arithmetic number, because the mean of its divisors is an integer number (38817).

2444430 is an apocalyptic number.

444430 is an abundant number, since it is smaller than the sum of its proper divisors (487178).

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

444430 is a wasteful number, since it uses less digits than its factorization.

444430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 444430 is about 666.6558332453. The cubic root of 444430 is about 76.3134560899.

Adding to 444430 its reverse (34444), we get a palindrome (478874).

The spelling of 444430 in words is "four hundred forty-four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 907 1814 4535 6349 9070 12698 31745 44443 63490 88886 222215 444430