Search a number
-
+
4103809920 = 27345743263
BaseRepresentation
bin1111010010011011…
…0010101110000000
3101121000001010220000
43310212302232000
531401033404140
61515114520000
7203460544260
oct36446625600
911530033800
104103809920
111816548151
12966436000
1350529a3c2
142ad0577a0
1519042da30
hexf49b2b80

4103809920 has 640 divisors, whose sum is σ = 17203760640. Its totient is φ = 912715776.

The previous prime is 4103809909. The next prime is 4103809933. The reversal of 4103809920 is 299083014.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15603709 + ... + 15603971.

It is an arithmetic number, because the mean of its divisors is an integer number (26880876).

Almost surely, 24103809920 is an apocalyptic number.

4103809920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4103809920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8601880320).

4103809920 is an abundant number, since it is smaller than the sum of its proper divisors (13099950720).

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

4103809920 is a wasteful number, since it uses less digits than its factorization.

4103809920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 4103809920 is about 64060.9859430840. The cubic root of 4103809920 is about 1601.0162710257.

The spelling of 4103809920 in words is "four billion, one hundred three million, eight hundred nine thousand, nine hundred twenty".