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4287939045 = 351321989431
BaseRepresentation
bin1111111110010100…
…1100000111100101
3102001211111212120020
43333211030013211
532240203022140
61545253225353
7211154611005
oct37745140745
912054455506
104287939045
111900480085
129b8032259
13534488850
142c96a8005
151a16a06d0
hexff94c1e5

4287939045 has 16 divisors (see below), whose sum is σ = 7388449152. Its totient is φ = 2110985280.

The previous prime is 4287939037. The next prime is 4287939067. The reversal of 4287939045 is 5409397824.

It is not a de Polignac number, because 4287939045 - 23 = 4287939037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10994521 + ... + 10994910.

It is an arithmetic number, because the mean of its divisors is an integer number (461778072).

Almost surely, 24287939045 is an apocalyptic number.

It is an amenable number.

4287939045 is a deficient number, since it is larger than the sum of its proper divisors (3100510107).

4287939045 is a wasteful number, since it uses less digits than its factorization.

4287939045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21989452.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 4287939045 is about 65482.3567459205. The cubic root of 4287939045 is about 1624.6115420179.

The spelling of 4287939045 in words is "four billion, two hundred eighty-seven million, nine hundred thirty-nine thousand, forty-five".

Divisors: 1 3 5 13 15 39 65 195 21989431 65968293 109947155 285862603 329841465 857587809 1429313015 4287939045