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5938640509 = 45720636299
BaseRepresentation
bin1011000011111100…
…00111011001111101
3120022212121012021111
411201332013121331
544130242444014
62421141402021
7300110416504
oct54176073175
916285535244
105938640509
11257823156a
121198a09311
13738464089
144049d983b
1524b5672c4
hex161f8767d

5938640509 has 8 divisors (see below), whose sum is σ = 5955465600. Its totient is φ = 5921833056.

The previous prime is 5938640497. The next prime is 5938640537. The reversal of 5938640509 is 9050468395.

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 5938640509 - 27 = 5938640381 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 (5938640809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939642 + ... + 945940.

It is an arithmetic number, because the mean of its divisors is an integer number (744433200).

Almost surely, 25938640509 is an apocalyptic number.

It is an amenable number.

5938640509 is a deficient number, since it is larger than the sum of its proper divisors (16825091).

5938640509 is a wasteful number, since it uses less digits than its factorization.

5938640509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 5938640509 is about 77062.5752813906. The cubic root of 5938640509 is about 1810.9050456848.

The spelling of 5938640509 in words is "five billion, nine hundred thirty-eight million, six hundred forty thousand, five hundred nine".

Divisors: 1 457 2063 6299 942791 2878643 12994837 5938640509