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244020000 = 253547283
BaseRepresentation
bin11101000101101…
…11001100100000
3122000011111111210
432202313030200
5444432120000
640114110120
76022064400
oct1642671440
9560144453
10244020000
11115819924
126987b340
133b72a843
14245a0800
1516652350
hexe8b7320

244020000 has 360 divisors, whose sum is σ = 942335856. Its totient is φ = 55104000.

The previous prime is 244019981. The next prime is 244020001. The reversal of 244020000 is 20442.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (244020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2939959 + ... + 2940041.

Almost surely, 2244020000 is an apocalyptic number.

244020000 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 244020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471167928).

244020000 is an abundant number, since it is smaller than the sum of its proper divisors (698315856).

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

244020000 is an equidigital number, since it uses as much as digits as its factorization.

244020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 244020000 is about 15621.1395230950. The cubic root of 244020000 is about 624.8970497096.

Adding to 244020000 its reverse (20442), we get a palindrome (244040442).

The spelling of 244020000 in words is "two hundred forty-four million, twenty thousand".