Search a number
-
+
305442453425 = 5235969339673
BaseRepresentation
bin1000111000111011100…
…10011111011110110001
31002012101210212022022012
410130131302133132301
520001021232002200
6352152431452305
731032102005444
oct4343562373661
91065353768265
10305442453425
111085a033609a
124b244087095
1322a59544255
1410ad7c9965b
157e2a3b2a35
hex471dc9f7b1

305442453425 has 12 divisors (see below), whose sum is σ = 378760287180. Its totient is φ = 244346449920.

The previous prime is 305442453373. The next prime is 305442453451. The reversal of 305442453425 is 524354244503.

It can be written as a sum of positive squares in 6 ways, for example, as 10297987441 + 295144465984 = 101479^2 + 543272^2 .

It is not a de Polignac number, because 305442453425 - 218 = 305442191281 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729389 + ... + 1069061.

It is an arithmetic number, because the mean of its divisors is an integer number (31563357265).

Almost surely, 2305442453425 is an apocalyptic number.

It is an amenable number.

305442453425 is a deficient number, since it is larger than the sum of its proper divisors (73317833755).

305442453425 is a wasteful number, since it uses less digits than its factorization.

305442453425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375652 (or 375647 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 305442453425 its reverse (524354244503), we get a palindrome (829796697928).

The spelling of 305442453425 in words is "three hundred five billion, four hundred forty-two million, four hundred fifty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 35969 179845 339673 899225 1698365 8491825 12217698137 61088490685 305442453425