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245430000 = 243554101
BaseRepresentation
bin11101010000011…
…11011011110000
3122002211010200000
432220033123300
51000312230000
640204230000
76040056234
oct1650173360
9562733600
10245430000
111165a2212
126a23b300
133bb0256a
142484a5c4
1516830000
hexea0f6f0

245430000 has 300 divisors, whose sum is σ = 898906008. Its totient is φ = 64800000.

The previous prime is 245429999. The next prime is 245430019. The reversal of 245430000 is 34542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2429950 + ... + 2430050.

Almost surely, 2245430000 is an apocalyptic number.

245430000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449453004).

245430000 is an abundant number, since it is smaller than the sum of its proper divisors (653476008).

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

245430000 is an equidigital number, since it uses as much as digits as its factorization.

245430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 245430000 is about 15666.2056669763. The cubic root of 245430000 is about 626.0983353910.

Adding to 245430000 its reverse (34542), we get a palindrome (245464542).

The spelling of 245430000 in words is "two hundred forty-five million, four hundred thirty thousand".