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2889349920 = 253351739343
BaseRepresentation
bin1010110000110111…
…1111101100100000
321110100211011222000
42230031333230200
521404133144140
61154412444000
7131413032462
oct25415775440
97410734860
102889349920
111252a653a6
12687779600
133707b2312
141d5a42132
1511d9d8a30
hexac37fb20

2889349920 has 192 divisors, whose sum is σ = 10707863040. Its totient is φ = 725151744.

The previous prime is 2889349913. The next prime is 2889349927. The reversal of 2889349920 is 299439882.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2889349913) and next prime (2889349927).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2889349927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53769 + ... + 93111.

It is an arithmetic number, because the mean of its divisors is an integer number (55770120).

Almost surely, 22889349920 is an apocalyptic number.

2889349920 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 2889349920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5353931520).

2889349920 is an abundant number, since it is smaller than the sum of its proper divisors (7818513120).

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

2889349920 is a wasteful number, since it uses less digits than its factorization.

2889349920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39384 (or 39370 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 2889349920 is about 53752.6736079239. The cubic root of 2889349920 is about 1424.2953191737.

The spelling of 2889349920 in words is "two billion, eight hundred eighty-nine million, three hundred forty-nine thousand, nine hundred twenty".