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2287688130 = 2335713175477
BaseRepresentation
bin1000100001011011…
…0101100111000010
312220102200121011000
42020112311213002
514141122010010
61015001032430
7110456012460
oct21026654702
95812617130
102287688130
11a74381a52
1253a185716
132a5c54220
14179b85830
15d5c8d7c0
hex885b59c2

2287688130 has 256 divisors, whose sum is σ = 7951426560. Its totient is φ = 454201344.

The previous prime is 2287688119. The next prime is 2287688153. The reversal of 2287688130 is 318867822.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 414952 + ... + 420428.

It is an arithmetic number, because the mean of its divisors is an integer number (31060260).

Almost surely, 22287688130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2287688130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3975713280).

2287688130 is an abundant number, since it is smaller than the sum of its proper divisors (5663738430).

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

2287688130 is a wasteful number, since it uses less digits than its factorization.

2287688130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530 (or 5524 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 2287688130 is about 47829.7828763627. The cubic root of 2287688130 is about 1317.6465813937.

The spelling of 2287688130 in words is "two billion, two hundred eighty-seven million, six hundred eighty-eight thousand, one hundred thirty".