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2288402648 = 23742439631
BaseRepresentation
bin1000100001100110…
…0100000011011000
312220111000220021122
42020121210003120
514141312341043
61015024224412
7110465046560
oct21031440330
95814026248
102288402648
11a7481a864
1253a46b108
132a614450c
14179ccdda0
15d5d80368
hex886640d8

2288402648 has 32 divisors (see below), whose sum is σ = 4905384960. Its totient is φ = 980411040.

The previous prime is 2288402561. The next prime is 2288402707. The reversal of 2288402648 is 8462048822.

It is a junction number, because it is equal to n+sod(n) for n = 2288402599 and 2288402608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232793 + ... + 242423.

It is an arithmetic number, because the mean of its divisors is an integer number (153293280).

Almost surely, 22288402648 is an apocalyptic number.

2288402648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2288402648 is an abundant number, since it is smaller than the sum of its proper divisors (2616982312).

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

2288402648 is a wasteful number, since it uses less digits than its factorization.

2288402648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13887 (or 13883 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The square root of 2288402648 is about 47837.2516769097. The cubic root of 2288402648 is about 1317.7837481381.

The spelling of 2288402648 in words is "two billion, two hundred eighty-eight million, four hundred two thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 4243 8486 9631 16972 19262 29701 33944 38524 59402 67417 77048 118804 134834 237608 269668 539336 40864333 81728666 163457332 286050331 326914664 572100662 1144201324 2288402648