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245045200 = 2452612613
BaseRepresentation
bin11101001101100…
…01011111010000
3122002002120211011
432212301133100
51000212421300
640152100304
76033564331
oct1646613720
9562076734
10245045200
1111635a0a4
126a094694
133b9c937a
142478a288
15167a5eba
hexe9b17d0

245045200 has 30 divisors (see below), whose sum is σ = 588722054. Its totient is φ = 98017920.

The previous prime is 245045167. The next prime is 245045209. The reversal of 245045200 is 2540542.

245045200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 78428736 + 166616464 = 8856^2 + 12908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245045209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305907 + ... + 306706.

Almost surely, 2245045200 is an apocalyptic number.

245045200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245045200 is an abundant number, since it is smaller than the sum of its proper divisors (343676854).

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

245045200 is a wasteful number, since it uses less digits than its factorization.

245045200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612631 (or 612620 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 245045200 is about 15653.9196369472. The cubic root of 245045200 is about 625.7709526203.

Adding to 245045200 its reverse (2540542), we get a palindrome (247585742).

The spelling of 245045200 in words is "two hundred forty-five million, forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 612613 1225226 2450452 3063065 4900904 6126130 9801808 12252260 15315325 24504520 30630650 49009040 61261300 122522600 245045200