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440230243 = 4153202591
BaseRepresentation
bin11010001111010…
…110000101100011
31010200101000100211
4122033112011203
51400144331433
6111403354551
713623616045
oct3217260543
91120330324
10440230243
11206553552
12103522a57
1370288b8b
1442677a95
15289ad8cd
hex1a3d6163

440230243 has 8 divisors (see below), whose sum is σ = 459478656. Its totient is φ = 421387200.

The previous prime is 440230201. The next prime is 440230253. The reversal of 440230243 is 342032044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440230243 - 217 = 440099171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440230253) 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, 99123 + ... + 103468.

It is an arithmetic number, because the mean of its divisors is an integer number (57434832).

Almost surely, 2440230243 is an apocalyptic number.

440230243 is a deficient number, since it is larger than the sum of its proper divisors (19248413).

440230243 is a wasteful number, since it uses less digits than its factorization.

440230243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202685.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 440230243 is about 20981.6644477982. The cubic root of 440230243 is about 760.7231361673.

Adding to 440230243 its reverse (342032044), we get a palindrome (782262287).

The spelling of 440230243 in words is "four hundred forty million, two hundred thirty thousand, two hundred forty-three".

Divisors: 1 41 53 2173 202591 8306231 10737323 440230243