Search a number
-
+
441424240 = 24543128321
BaseRepresentation
bin11010010011111…
…001100101110000
31010202121200012221
4122103321211300
51401001033430
6111445130424
713640021065
oct3223714560
91122550187
10441424240
11207199624
121039b9a14
13705b649a
14428a8c6c
1528b4757a
hex1a4f9970

441424240 has 40 divisors (see below), whose sum is σ = 1050187248. Its totient is φ = 172462080.

The previous prime is 441424231. The next prime is 441424259. The reversal of 441424240 is 42424144.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×4414242404 (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60721 + ... + 67600.

Almost surely, 2441424240 is an apocalyptic number.

441424240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441424240 is an abundant number, since it is smaller than the sum of its proper divisors (608763008).

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

441424240 is a wasteful number, since it uses less digits than its factorization.

441424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128377 (or 128371 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 441424240 is about 21010.0985242811. The cubic root of 441424240 is about 761.4102623731.

Adding to 441424240 its reverse (42424144), we get a palindrome (483848384).

The spelling of 441424240 in words is "four hundred forty-one million, four hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 128321 256642 513284 641605 1026568 1283210 2053136 2566420 5132840 5517803 10265680 11035606 22071212 27589015 44142424 55178030 88284848 110356060 220712120 441424240