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2896780320 = 25345737863
BaseRepresentation
bin1010110010101001…
…0101110000100000
321110212210200120000
42230222111300200
521413033432240
61155240020000
7131533140450
oct25452256040
97425720500
102896780320
11125717aa25
1268a161600
133721b43c5
141d6a17d60
1511e4a5430
hexaca95c20

2896780320 has 480 divisors, whose sum is σ = 12013360128. Its totient is φ = 643479552.

The previous prime is 2896780307. The next prime is 2896780321. The reversal of 2896780320 is 230876982.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2896780321) 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 79 ways as a sum of consecutive naturals, for example, 3356209 + ... + 3357071.

Almost surely, 22896780320 is an apocalyptic number.

2896780320 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 2896780320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6006680064).

2896780320 is an abundant number, since it is smaller than the sum of its proper divisors (9116579808).

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

2896780320 is a wasteful number, since it uses less digits than its factorization.

2896780320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2896780320 is about 53821.7457910834. The cubic root of 2896780320 is about 1425.5152042888.

The spelling of 2896780320 in words is "two billion, eight hundred ninety-six million, seven hundred eighty thousand, three hundred twenty".