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2144480400 = 2433522941167
BaseRepresentation
bin111111111010010…
…0010110010010000
312112110012220002000
41333310202302100
513342441333100
6552443354000
7104066532306
oct17764426220
95473186060
102144480400
11a00559957
124ba222900
13282392b1a
14164b48276
15c8401900
hex7fd22c90

2144480400 has 480 divisors, whose sum is σ = 8136979200. Its totient is φ = 535449600.

The previous prime is 2144480399. The next prime is 2144480431. The reversal of 2144480400 is 40844412.

It is a happy number.

2144480400 is a `hidden beast` number, since 2 + 144 + 480 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12841117 + ... + 12841283.

It is an arithmetic number, because the mean of its divisors is an integer number (16952040).

Almost surely, 22144480400 is an apocalyptic number.

2144480400 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 2144480400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4068489600).

2144480400 is an abundant number, since it is smaller than the sum of its proper divisors (5992498800).

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

2144480400 is a wasteful number, since it uses less digits than its factorization.

2144480400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 2144480400 is about 46308.5348505003. The cubic root of 2144480400 is about 1289.5574468951.

The spelling of 2144480400 in words is "two billion, one hundred forty-four million, four hundred eighty thousand, four hundred".