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2287388641 = 17592280547
BaseRepresentation
bin1000100001010110…
…1100011111100001
312220102010101022211
42020111230133201
514141032414031
61014550402121
7110453324356
oct21025543741
95812111284
102287388641
11a74197a3a
1253a060341
132a5b7ab05
14179b0862d
15d5c2ebb1
hex8856c7e1

2287388641 has 8 divisors (see below), whose sum is σ = 2462991840. Its totient is φ = 2116346688.

The previous prime is 2287388639. The next prime is 2287388651. The reversal of 2287388641 is 1468837822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2287388641 - 21 = 2287388639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2287388651) 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, 1139271 + ... + 1141276.

It is an arithmetic number, because the mean of its divisors is an integer number (307873980).

Almost surely, 22287388641 is an apocalyptic number.

It is an amenable number.

2287388641 is a deficient number, since it is larger than the sum of its proper divisors (175603199).

2287388641 is a wasteful number, since it uses less digits than its factorization.

2287388641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280623.

The product of its digits is 1032192, while the sum is 49.

The square root of 2287388641 is about 47826.6519944685. The cubic root of 2287388641 is about 1317.5890796924.

The spelling of 2287388641 in words is "two billion, two hundred eighty-seven million, three hundred eighty-eight thousand, six hundred forty-one".

Divisors: 1 17 59 1003 2280547 38769299 134552273 2287388641