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4805393940 = 2232526696633
BaseRepresentation
bin1000111100110110…
…00111111000010100
3110101220012022020100
410132123013320110
534320140101230
62112500134100
7230040113604
oct43633077024
913356168210
104805393940
112046579656
12b21397330
135b7742789
143382c4c04
151d1d15660
hex11e6c7e14

4805393940 has 36 divisors (see below), whose sum is σ = 14576362164. Its totient is φ = 1281438336.

The previous prime is 4805393891. The next prime is 4805393953. The reversal of 4805393940 is 493935084.

It is a happy number.

4805393940 is a `hidden beast` number, since 4 + 80 + 539 + 39 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1293409296 + 3511984644 = 35964^2 + 59262^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13348137 + ... + 13348496.

It is an arithmetic number, because the mean of its divisors is an integer number (404898949).

Almost surely, 24805393940 is an apocalyptic number.

It is an amenable number.

4805393940 is an abundant number, since it is smaller than the sum of its proper divisors (9770968224).

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

4805393940 is a wasteful number, since it uses less digits than its factorization.

4805393940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26696648 (or 26696643 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 4805393940 is about 69320.9487817355. The cubic root of 4805393940 is about 1687.4969586776.

The spelling of 4805393940 in words is "four billion, eight hundred five million, three hundred ninety-three thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 26696633 53393266 80089899 106786532 133483165 160179798 240269697 266966330 320359596 400449495 480539394 533932660 800898990 961078788 1201348485 1601797980 2402696970 4805393940