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2043223140 = 2235719534831
BaseRepresentation
bin111100111001001…
…0001110001100100
312021101200111020010
41321302101301210
513141031120030
6534425210220
7101430052530
oct17162216144
95241614203
102043223140
11959389872
12490330970
132673cbc9a
1415550abc0
15be59e6b0
hex79c91c64

2043223140 has 192 divisors, whose sum is σ = 7013744640. Its totient is φ = 434004480.

The previous prime is 2043223111. The next prime is 2043223153. The reversal of 2043223140 is 413223402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 420525 + ... + 425355.

It is an arithmetic number, because the mean of its divisors is an integer number (36529920).

Almost surely, 22043223140 is an apocalyptic number.

2043223140 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 2043223140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3506872320).

2043223140 is an abundant number, since it is smaller than the sum of its proper divisors (4970521500).

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

2043223140 is a wasteful number, since it uses less digits than its factorization.

2043223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922 (or 4920 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2043223140 is about 45202.0258395572. The cubic root of 2043223140 is about 1268.9327301503.

Adding to 2043223140 its reverse (413223402), we get a palindrome (2456446542).

The spelling of 2043223140 in words is "two billion, forty-three million, two hundred twenty-three thousand, one hundred forty".