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538235307 = 3319934641
BaseRepresentation
bin100000000101001…
…101000110101011
31101111210012001000
4200011031012223
52100242012212
6125224130043
716223632101
oct4005150653
91344705030
10538235307
11256902175
12130306923
138768163c
14516a9c71
15323bc1dc
hex2014d1ab

538235307 has 8 divisors (see below), whose sum is σ = 797385680. Its totient is φ = 358823520.

The previous prime is 538235297. The next prime is 538235311. The reversal of 538235307 is 703532835.

It is not a de Polignac number, because 538235307 - 216 = 538169771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538235107) 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, 9967294 + ... + 9967347.

It is an arithmetic number, because the mean of its divisors is an integer number (99673210).

Almost surely, 2538235307 is an apocalyptic number.

538235307 is a deficient number, since it is larger than the sum of its proper divisors (259150373).

538235307 is a wasteful number, since it uses less digits than its factorization.

538235307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19934650 (or 19934644 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 538235307 is about 23199.8988575382. The cubic root of 538235307 is about 813.4372588281.

The spelling of 538235307 in words is "five hundred thirty-eight million, two hundred thirty-five thousand, three hundred seven".

Divisors: 1 3 9 27 19934641 59803923 179411769 538235307