Search a number
-
+
450144115 = 590028823
BaseRepresentation
bin11010110101001…
…010011101110011
31011101000200122021
4122311022131303
51410214102430
6112400052311
714104106341
oct3265123563
91141020567
10450144115
11211104a33
12106904097
137234a485
1443ad8991
15297bb07a
hex1ad4a773

450144115 has 4 divisors (see below), whose sum is σ = 540172944. Its totient is φ = 360115288.

The previous prime is 450144103. The next prime is 450144131. The reversal of 450144115 is 511441054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450144115 - 25 = 450144083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450144115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45014407 + ... + 45014416.

It is an arithmetic number, because the mean of its divisors is an integer number (135043236).

Almost surely, 2450144115 is an apocalyptic number.

450144115 is a deficient number, since it is larger than the sum of its proper divisors (90028829).

450144115 is an equidigital number, since it uses as much as digits as its factorization.

450144115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90028828.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 450144115 is about 21216.5999868028. The cubic root of 450144115 is about 766.3912286133.

Adding to 450144115 its reverse (511441054), we get a palindrome (961585169).

The spelling of 450144115 in words is "four hundred fifty million, one hundred forty-four thousand, one hundred fifteen".

Divisors: 1 5 90028823 450144115