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441431420 = 22541538331
BaseRepresentation
bin11010010011111…
…011010101111100
31010202122001001212
4122103323111330
51401001301140
6111445223552
713640051033
oct3223732574
91122561055
10441431420
112071a3a61
12103a01bb8
13705b9831
14428ab71a
1528b49765
hex1a4fb57c

441431420 has 24 divisors (see below), whose sum is σ = 949617648. Its totient is φ = 172265600.

The previous prime is 441431411. The next prime is 441431429. The reversal of 441431420 is 24134144.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (441431411) and next prime (441431429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441431429) 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, 268346 + ... + 269985.

It is an arithmetic number, because the mean of its divisors is an integer number (39567402).

Almost surely, 2441431420 is an apocalyptic number.

It is an amenable number.

441431420 is an abundant number, since it is smaller than the sum of its proper divisors (508186228).

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

441431420 is a wasteful number, since it uses less digits than its factorization.

441431420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538381 (or 538379 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 441431420 is about 21010.2693937988. The cubic root of 441431420 is about 761.4143905983.

Adding to 441431420 its reverse (24134144), we get a palindrome (465565564).

The spelling of 441431420 in words is "four hundred forty-one million, four hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 538331 1076662 2153324 2691655 5383310 10766620 22071571 44143142 88286284 110357855 220715710 441431420