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2284640860 = 225472430469
BaseRepresentation
bin1000100000101100…
…1101101001011100
312220012221210002011
42020023031221130
514134332001420
61014411441004
7110421061345
oct21013155134
95805853064
102284640860
11a72690547
12539156164
132a54281c8
141795d10cc
15d588a95a
hex882cda5c

2284640860 has 24 divisors (see below), whose sum is σ = 4899827520. Its totient is φ = 894412224.

The previous prime is 2284640849. The next prime is 2284640861. The reversal of 2284640860 is 680464822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2284640861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214295 + ... + 1216174.

It is an arithmetic number, because the mean of its divisors is an integer number (204159480).

Almost surely, 22284640860 is an apocalyptic number.

2284640860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2284640860 is an abundant number, since it is smaller than the sum of its proper divisors (2615186660).

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

2284640860 is a wasteful number, since it uses less digits than its factorization.

2284640860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430525 (or 2430523 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 2284640860 is about 47797.9169002165. The cubic root of 2284640860 is about 1317.0612730255.

The spelling of 2284640860 in words is "two billion, two hundred eighty-four million, six hundred forty thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 2430469 4860938 9721876 12152345 24304690 48609380 114232043 228464086 456928172 571160215 1142320430 2284640860