Search a number
-
+
4089731072 = 21171797173
BaseRepresentation
bin1111001111000100…
…0101100000000000
3101120000112212100012
43303301011200000
531333432343242
61513453044052
7203230066130
oct36361054000
911500485305
104089731072
111809601539
12961786628
135023ab11b
142ab230ac0
1518e09c282
hexf3c45800

4089731072 has 192 divisors, whose sum is σ = 10055223360. Its totient is φ = 1623195648.

The previous prime is 4089731071. The next prime is 4089731111. The reversal of 4089731072 is 2701379804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4089731071) 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, 23639978 + ... + 23640150.

It is an arithmetic number, because the mean of its divisors is an integer number (52370955).

Almost surely, 24089731072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4089731072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5027611680).

4089731072 is an abundant number, since it is smaller than the sum of its proper divisors (5965492288).

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

4089731072 is a wasteful number, since it uses less digits than its factorization.

4089731072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 4089731072 is about 63951.0052462039. The cubic root of 4089731072 is about 1599.1833165468.

The spelling of 4089731072 in words is "four billion, eighty-nine million, seven hundred thirty-one thousand, seventy-two".