Search a number
-
+
245532432 = 2435115259
BaseRepresentation
bin11101010001010…
…00011100010000
3122010000100011210
432220220130100
51000324014212
640210340120
76040663665
oct1650503420
9563010153
10245532432
11116662172
126a28a640
133bb3a082
1424875a6c
151685053c
hexea28710

245532432 has 20 divisors (see below), whose sum is σ = 634292240. Its totient is φ = 81844128.

The previous prime is 245532409. The next prime is 245532439. The reversal of 245532432 is 234235542.

It is a self number, because there is not a number n which added to its sum of digits gives 245532432.

It is not an unprimeable number, because it can be changed into a prime (245532439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557582 + ... + 2557677.

It is an arithmetic number, because the mean of its divisors is an integer number (31714612).

Almost surely, 2245532432 is an apocalyptic number.

It is an amenable number.

245532432 is an abundant number, since it is smaller than the sum of its proper divisors (388759808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245532432 is a wasteful number, since it uses less digits than its factorization.

245532432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115270 (or 5115264 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 245532432 is about 15669.4745285220. The cubic root of 245532432 is about 626.1854255114.

Adding to 245532432 its reverse (234235542), we get a palindrome (479767974).

The spelling of 245532432 in words is "two hundred forty-five million, five hundred thirty-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 5115259 10230518 15345777 20461036 30691554 40922072 61383108 81844144 122766216 245532432