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440230041 = 32157311557
BaseRepresentation
bin11010001111010…
…110000010011001
31010200101000002100
4122033112002121
51400144330131
6111403354013
713623615336
oct3217260231
91120330070
10440230041
11206553389
12103522909
1370288a64
144267798d
15289ad7e6
hex1a3d6099

440230041 has 12 divisors (see below), whose sum is σ = 639940132. Its totient is φ = 291616416.

The previous prime is 440230027. The next prime is 440230073. The reversal of 440230041 is 140032044.

It can be written as a sum of positive squares in 2 ways, for example, as 64064016 + 376166025 = 8004^2 + 19395^2 .

It is not a de Polignac number, because 440230041 - 25 = 440230009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 440229996 and 440230023.

It is not an unprimeable number, because it can be changed into a prime (440230841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154366 + ... + 157191.

Almost surely, 2440230041 is an apocalyptic number.

It is an amenable number.

440230041 is a deficient number, since it is larger than the sum of its proper divisors (199710091).

440230041 is a wasteful number, since it uses less digits than its factorization.

440230041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311720 (or 311717 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 440230041 is about 20981.6596340709. The cubic root of 440230041 is about 760.7230198145.

Adding to 440230041 its reverse (140032044), we get a palindrome (580262085).

It can be divided in two parts, 4402 and 30041, that added together give a palindrome (34443).

The spelling of 440230041 in words is "four hundred forty million, two hundred thirty thousand, forty-one".

Divisors: 1 3 9 157 471 1413 311557 934671 2804013 48914449 146743347 440230041