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440011412 = 22148973877
BaseRepresentation
bin11010001110100…
…000101010010100
31010122221220011222
4122032200222110
51400120331122
6111354545512
713622015051
oct3216405224
91118856158
10440011412
112064140a5
12103438298
13702103a9
144261c028
1528968b42
hex1a3a0a94

440011412 has 12 divisors (see below), whose sum is σ = 770547540. Its totient is φ = 219854976.

The previous prime is 440011399. The next prime is 440011417. The reversal of 440011412 is 214110044.

It can be written as a sum of positive squares in 2 ways, for example, as 78783376 + 361228036 = 8876^2 + 19006^2 .

It is a super-2 number, since 2×4400114122 = 387220085380467488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440011417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30983 + ... + 42894.

It is an arithmetic number, because the mean of its divisors is an integer number (64212295).

Almost surely, 2440011412 is an apocalyptic number.

It is an amenable number.

440011412 is a deficient number, since it is larger than the sum of its proper divisors (330536128).

440011412 is a wasteful number, since it uses less digits than its factorization.

440011412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75370 (or 75368 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 440011412 is about 20976.4489845159. The cubic root of 440011412 is about 760.5970677460.

Adding to 440011412 its reverse (214110044), we get a palindrome (654121456).

The spelling of 440011412 in words is "four hundred forty million, eleven thousand, four hundred twelve".

Divisors: 1 2 4 1489 2978 5956 73877 147754 295508 110002853 220005706 440011412