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440101442 = 211212231487
BaseRepresentation
bin11010001110110…
…110101001000010
31010200010110200102
4122032312221002
51400131221232
6111400522402
713622541404
oct3216665102
91120113612
10440101442
11206475800
12103480402
1370242371
1442642b74
1528985662
hex1a3b6a42

440101442 has 24 divisors (see below), whose sum is σ = 726703488. Its totient is φ = 199748120.

The previous prime is 440101399. The next prime is 440101463. The reversal of 440101442 is 244101044.

It is a happy 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, 295223 + ... + 296709.

It is an arithmetic number, because the mean of its divisors is an integer number (30279312).

Almost surely, 2440101442 is an apocalyptic number.

440101442 is a deficient number, since it is larger than the sum of its proper divisors (286602046).

440101442 is a wasteful number, since it uses less digits than its factorization.

440101442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734 (or 2723 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 440101442 is about 20978.5948528494. The cubic root of 440101442 is about 760.6489390402.

Adding to 440101442 its reverse (244101044), we get a palindrome (684202486).

The spelling of 440101442 in words is "four hundred forty million, one hundred one thousand, four hundred forty-two".

Divisors: 1 2 11 22 121 242 1223 1487 2446 2974 13453 16357 26906 32714 147983 179927 295966 359854 1818601 3637202 20004611 40009222 220050721 440101442