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450330841 = 212212
BaseRepresentation
bin11010110101111…
…000000011011001
31011101101011210001
4122311320003121
51410241041331
6112404053001
714105514622
oct3265700331
91141334701
10450330841
11211222254
12106994161
13723b446c
1443b46a49
1529806561
hex1ad780d9

450330841 has 3 divisors (see below), whose sum is σ = 450352063. Its totient is φ = 450309620.

The previous prime is 450330817. The next prime is 450330871. The reversal of 450330841 is 148033054.

The square root of 450330841 is 21221.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 433847241 + 16483600 = 20829^2 + 4060^2 .

It is not a de Polignac number, because 450330841 - 25 = 450330809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450330871) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10611 + ... + 31831.

Almost surely, 2450330841 is an apocalyptic number.

450330841 is the 21221-st square number.

450330841 is the 10611-st centered octagonal number.

It is an amenable number.

450330841 is a deficient number, since it is larger than the sum of its proper divisors (21222).

450330841 is an frugal number, since it uses more digits than its factorization.

450330841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42442 (or 21221 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The cubic root of 450330841 is about 766.4971838552.

Adding to 450330841 its reverse (148033054), we get a palindrome (598363895).

It can be divided in two parts, 4503 and 30841, that added together give a square (35344 = 1882).

The spelling of 450330841 in words is "four hundred fifty million, three hundred thirty thousand, eight hundred forty-one".

Divisors: 1 21221 450330841