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4005685037 = 23683254993
BaseRepresentation
bin1110111011000001…
…1110011100101101
3101100011101212212002
43232300132130231
531200423410122
61501251422045
7201156522014
oct35660363455
911304355762
104005685037
111776117502
129395b4925
134bab62243
1429ddd3a7b
151869e9992
hexeec1e72d

4005685037 has 8 divisors (see below), whose sum is σ = 4185981504. Its totient is φ = 3825899968.

The previous prime is 4005685031. The next prime is 4005685087. The reversal of 4005685037 is 7305865004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4005685037 - 218 = 4005422893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005685031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 111788 + ... + 143205.

It is an arithmetic number, because the mean of its divisors is an integer number (523247688).

Almost surely, 24005685037 is an apocalyptic number.

It is an amenable number.

4005685037 is a deficient number, since it is larger than the sum of its proper divisors (180296467).

4005685037 is a wasteful number, since it uses less digits than its factorization.

4005685037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255699.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 4005685037 is about 63290.4814091345. The cubic root of 4005685037 is about 1588.1527321127.

The spelling of 4005685037 in words is "four billion, five million, six hundred eighty-five thousand, thirty-seven".

Divisors: 1 23 683 15709 254993 5864839 174160219 4005685037