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538385039 = 3737938393
BaseRepresentation
bin100000000101110…
…001101010001111
31101112001210102122
4200011301222033
52100311310124
6125231243155
716225124453
oct4005615217
91345053378
10538385039
112569a4715
121303794bb
138770483a
1451708663
15323eb75e
hex20171a8f

538385039 has 8 divisors (see below), whose sum is σ = 554409360. Its totient is φ = 522438336.

The previous prime is 538385033. The next prime is 538385059. The reversal of 538385039 is 930583835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-538385039 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 (538385033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5174 + ... + 33219.

It is an arithmetic number, because the mean of its divisors is an integer number (69301170).

Almost surely, 2538385039 is an apocalyptic number.

538385039 is a deficient number, since it is larger than the sum of its proper divisors (16024321).

538385039 is a wasteful number, since it uses less digits than its factorization.

538385039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38809.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 538385039 is about 23203.1256299663. The cubic root of 538385039 is about 813.5126820327.

The spelling of 538385039 in words is "five hundred thirty-eight million, three hundred eighty-five thousand, thirty-nine".

Divisors: 1 37 379 14023 38393 1420541 14550947 538385039