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539025247 = 1669322963
BaseRepresentation
bin100000001000001…
…101111101011111
31101120021022122001
4200020031331133
52100442301442
6125253103131
716233432115
oct4010157537
91346238561
10539025247
112572a1712
12130627aa7
138789a067
1451833ab5
15324c62b7
hex2020df5f

539025247 has 4 divisors (see below), whose sum is σ = 539349880. Its totient is φ = 538700616.

The previous prime is 539025209. The next prime is 539025257. The reversal of 539025247 is 742520935.

539025247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-539025247 is a prime.

It is a super-2 number, since 2×5390252472 = 581096433806822018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539025257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159813 + ... + 163150.

It is an arithmetic number, because the mean of its divisors is an integer number (134837470).

Almost surely, 2539025247 is an apocalyptic number.

539025247 is a deficient number, since it is larger than the sum of its proper divisors (324633).

539025247 is a wasteful number, since it uses less digits than its factorization.

539025247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324632.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 539025247 is about 23216.9172587577. The cubic root of 539025247 is about 813.8350108411.

The spelling of 539025247 in words is "five hundred thirty-nine million, twenty-five thousand, two hundred forty-seven".

Divisors: 1 1669 322963 539025247