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2288782080 = 2832513172931
BaseRepresentation
bin1000100001101100…
…0000101100000000
312220111202011202200
42020123000230000
514141412011310
61015040313200
7110501220024
oct21033005400
95814664680
102288782080
11a74a59942
1253a612800
132a6248130
14179d8c384
15d5e079c0
hex886c0b00

2288782080 has 864 divisors, whose sum is σ = 9642447360. Its totient is φ = 495452160.

The previous prime is 2288782043. The next prime is 2288782129. The reversal of 2288782080 is 802878822.

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

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 1972 × 620 × 1872.

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, 73831665 + ... + 73831695.

It is an arithmetic number, because the mean of its divisors is an integer number (11160240).

Almost surely, 22288782080 is an apocalyptic number.

2288782080 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 2288782080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4821223680).

2288782080 is an abundant number, since it is smaller than the sum of its proper divisors (7353665280).

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

2288782080 is a wasteful number, since it uses less digits than its factorization.

2288782080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 2288782080 is about 47841.2173758152. The cubic root of 2288782080 is about 1317.8565764770.

The spelling of 2288782080 in words is "two billion, two hundred eighty-eight million, seven hundred eighty-two thousand, eighty".