Search a number
-
+
450442430 = 2557177879
BaseRepresentation
bin11010110110010…
…011010010111110
31011101120211211222
4122312103102332
51410303124210
6112410313342
714106461144
oct3266232276
91141524758
10450442430
11211299079
12106a28852
13724231a9
1443b75594
1529829655
hex1ad934be

450442430 has 16 divisors (see below), whose sum is σ = 811041120. Its totient is φ = 180122592.

The previous prime is 450442423. The next prime is 450442451. The reversal of 450442430 is 34244054.

It is a self number, because there is not a number n which added to its sum of digits gives 450442430.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 53231 + ... + 61109.

It is an arithmetic number, because the mean of its divisors is an integer number (50690070).

Almost surely, 2450442430 is an apocalyptic number.

450442430 is a deficient number, since it is larger than the sum of its proper divisors (360598690).

450442430 is a wasteful number, since it uses less digits than its factorization.

450442430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 450442430 is about 21223.6290487749. The cubic root of 450442430 is about 766.5604896018.

Adding to 450442430 its reverse (34244054), we get a palindrome (484686484).

It can be divided in two parts, 45044 and 2430, that added together give a palindrome (47474).

The spelling of 450442430 in words is "four hundred fifty million, four hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 5717 7879 11434 15758 28585 39395 57170 78790 45044243 90088486 225221215 450442430