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538996057 = 3714567461
BaseRepresentation
bin100000001000000…
…110110101011001
31101120012211120221
4200020012311121
52100440333212
6125252320041
716233251035
oct4010066531
91346184527
10538996057
11257281796
12130613021
13878899a2
14518271c5
15324bc807
hex20206d59

538996057 has 4 divisors (see below), whose sum is σ = 553563556. Its totient is φ = 524428560.

The previous prime is 538996043. The next prime is 538996069. The reversal of 538996057 is 750699835.

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

It can be written as a sum of positive squares in 2 ways, for example, as 314565696 + 224430361 = 17736^2 + 14981^2 .

It is a cyclic number.

It is not a de Polignac number, because 538996057 - 211 = 538994009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538995995 and 538996013.

It is not an unprimeable number, because it can be changed into a prime (538996037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7283694 + ... + 7283767.

It is an arithmetic number, because the mean of its divisors is an integer number (138390889).

Almost surely, 2538996057 is an apocalyptic number.

It is an amenable number.

538996057 is a deficient number, since it is larger than the sum of its proper divisors (14567499).

538996057 is a wasteful number, since it uses less digits than its factorization.

538996057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14567498.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 538996057 is about 23216.2886138159. The cubic root of 538996057 is about 813.8203199567.

The spelling of 538996057 in words is "five hundred thirty-eight million, nine hundred ninety-six thousand, fifty-seven".

Divisors: 1 37 14567461 538996057