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444436141 = 563789407
BaseRepresentation
bin11010011111011…
…000111010101101
31010222021200202211
4122133120322231
51402233424031
6112033450421
714004434122
oct3237307255
91128250684
10444436141
112089664a6
12104a10a11
13710cc386
1443050749
152903ebb1
hex1a7d8ead

444436141 has 4 divisors (see below), whose sum is σ = 445226112. Its totient is φ = 443646172.

The previous prime is 444436127. The next prime is 444436159. The reversal of 444436141 is 141634444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444436141 - 223 = 436047533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444436121) 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, 394141 + ... + 395266.

It is an arithmetic number, because the mean of its divisors is an integer number (111306528).

Almost surely, 2444436141 is an apocalyptic number.

It is an amenable number.

444436141 is a deficient number, since it is larger than the sum of its proper divisors (789971).

444436141 is an equidigital number, since it uses as much as digits as its factorization.

444436141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789970.

The product of its digits is 18432, while the sum is 31.

The square root of 444436141 is about 21081.6541333929. The cubic root of 444436141 is about 763.1380758037.

The spelling of 444436141 in words is "four hundred forty-four million, four hundred thirty-six thousand, one hundred forty-one".

Divisors: 1 563 789407 444436141