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2288822648 = 23740871833
BaseRepresentation
bin1000100001101100…
…1010100101111000
312220111211020102012
42020123022211320
514141414311043
61015041225052
7110501446220
oct21033124570
95814736365
102288822648
11a74a87372
1253a632188
132a6260738
14179d9d080
15d5e14a18
hex886ca978

2288822648 has 16 divisors (see below), whose sum is σ = 4904620080. Its totient is φ = 980923968.

The previous prime is 2288822639. The next prime is 2288822687. The reversal of 2288822648 is 8462288822.

It is a super-2 number, since 2×22888226482 = 10477418227995463808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2288822596 and 2288822605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20435861 + ... + 20435972.

It is an arithmetic number, because the mean of its divisors is an integer number (306538755).

Almost surely, 22288822648 is an apocalyptic number.

2288822648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2288822648 is an abundant number, since it is smaller than the sum of its proper divisors (2615797432).

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

2288822648 is a wasteful number, since it uses less digits than its factorization.

2288822648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40871846 (or 40871842 counting only the distinct ones).

The product of its digits is 1572864, while the sum is 50.

The square root of 2288822648 is about 47841.6413598029. The cubic root of 2288822648 is about 1317.8643626398.

The spelling of 2288822648 in words is "two billion, two hundred eighty-eight million, eight hundred twenty-two thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 40871833 81743666 163487332 286102831 326974664 572205662 1144411324 2288822648