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2803302840 = 2335134121069
BaseRepresentation
bin1010011100010111…
…0000000110111000
321020100220112120010
42213011300012320
521220121142330
61142100301520
7126316452402
oct24705600670
97210815503
102803302840
111209433a08
126629a18a0
13358a156a0
141c8443b72
1511618d3b0
hexa71701b8

2803302840 has 192 divisors, whose sum is σ = 9291794400. Its totient is φ = 672583680.

The previous prime is 2803302833. The next prime is 2803302889. The reversal of 2803302840 is 482033082.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2803302798 and 2803302807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2621826 + ... + 2622894.

Almost surely, 22803302840 is an apocalyptic number.

2803302840 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 2803302840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4645897200).

2803302840 is an abundant number, since it is smaller than the sum of its proper divisors (6488491560).

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

2803302840 is a wasteful number, since it uses less digits than its factorization.

2803302840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2803302840 is about 52946.2259278223. The cubic root of 2803302840 is about 1410.0137215102.

The spelling of 2803302840 in words is "two billion, eight hundred three million, three hundred two thousand, eight hundred forty".