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2268847840 = 255731101647
BaseRepresentation
bin1000011100111011…
…1101111011100000
312212010020102010111
42013032331323200
514121311112330
61013045141104
7110136613510
oct20716757340
95763212114
102268847840
11a64783a66
125339ba794
132a208891c
1417747d840
15d42bb32a
hex873bdee0

2268847840 has 192 divisors, whose sum is σ = 6395977728. Its totient is φ = 744192000.

The previous prime is 2268847769. The next prime is 2268847859. The reversal of 2268847840 is 487488622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3506397 + ... + 3507043.

It is an arithmetic number, because the mean of its divisors is an integer number (33312384).

Almost surely, 22268847840 is an apocalyptic number.

2268847840 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 2268847840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3197988864).

2268847840 is an abundant number, since it is smaller than the sum of its proper divisors (4127129888).

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

2268847840 is a wasteful number, since it uses less digits than its factorization.

2268847840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 49.

The square root of 2268847840 is about 47632.4242507139. The cubic root of 2268847840 is about 1314.0194398903.

The spelling of 2268847840 in words is "two billion, two hundred sixty-eight million, eight hundred forty-seven thousand, eight hundred forty".