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4288809090 = 235573724919
BaseRepresentation
bin1111111110100010…
…0000100010000010
3102001220011002001010
43333220200202002
532240413342330
61545324021350
7211165163406
oct37750404202
912056132033
104288809090
111900a14825
129b8391856
13534701877
142c9853106
151a17c33b0
hexffa20882

4288809090 has 32 divisors (see below), whose sum is σ = 10295349120. Its totient is φ = 1143437184.

The previous prime is 4288809089. The next prime is 4288809097. The reversal of 4288809090 is 909088824.

It is not an unprimeable number, because it can be changed into a prime (4288809097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159651 + ... + 184569.

It is an arithmetic number, because the mean of its divisors is an integer number (321729660).

Almost surely, 24288809090 is an apocalyptic number.

4288809090 is an abundant number, since it is smaller than the sum of its proper divisors (6006540030).

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

4288809090 is a wasteful number, since it uses less digits than its factorization.

4288809090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30666.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 4288809090 is about 65488.9997633190. Note that the first 3 decimals coincide. The cubic root of 4288809090 is about 1624.7214152805.

The spelling of 4288809090 in words is "four billion, two hundred eighty-eight million, eight hundred nine thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 5737 11474 17211 24919 28685 34422 49838 57370 74757 86055 124595 149514 172110 249190 373785 747570 142960303 285920606 428880909 714801515 857761818 1429603030 2144404545 4288809090