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4905390873 = 319390722027
BaseRepresentation
bin1001001000110001…
…00101001100011001
3110122212100200020110
410210120211030121
540021240001443
62130431314533
7232363064055
oct44430451431
913585320213
104905390873
112097a68849
12b4a97ba49
13602384a66
143476b4c65
151da9b9233
hex124625319

4905390873 has 16 divisors (see below), whose sum is σ = 6886833920. Its totient is φ = 3097208016.

The previous prime is 4905390859. The next prime is 4905390877. The reversal of 4905390873 is 3780935094.

It is not a de Polignac number, because 4905390873 - 24 = 4905390857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4905390877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211686 + ... + 233712.

It is an arithmetic number, because the mean of its divisors is an integer number (430427120).

Almost surely, 24905390873 is an apocalyptic number.

It is an amenable number.

4905390873 is a deficient number, since it is larger than the sum of its proper divisors (1981443047).

4905390873 is a wasteful number, since it uses less digits than its factorization.

4905390873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25956.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 4905390873 is about 70038.4956506063. The cubic root of 4905390873 is about 1699.1219078828.

The spelling of 4905390873 in words is "four billion, nine hundred five million, three hundred ninety thousand, eight hundred seventy-three".

Divisors: 1 3 19 57 3907 11721 22027 66081 74233 222699 418513 1255539 86059489 258178467 1635130291 4905390873