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538027745 = 5107605549
BaseRepresentation
bin100000000100011…
…010011011100001
31101111101122022112
4200010122123201
52100213341440
6125215445105
716222106003
oct4004323341
91344348275
10538027745
11256780232
12130226795
138760b018
1451654373
153237a965
hex2011a6e1

538027745 has 4 divisors (see below), whose sum is σ = 645633300. Its totient is φ = 430422192.

The previous prime is 538027733. The next prime is 538027757. The reversal of 538027745 is 547720835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547720835 = 5109544167.

It is an interprime number because it is at equal distance from previous prime (538027733) and next prime (538027757).

It can be written as a sum of positive squares in 2 ways, for example, as 220938496 + 317089249 = 14864^2 + 17807^2 .

It is a cyclic number.

It is not a de Polignac number, because 538027745 - 24 = 538027729 is a prime.

It is an unprimeable number.

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, 53802770 + ... + 53802779.

It is an arithmetic number, because the mean of its divisors is an integer number (161408325).

Almost surely, 2538027745 is an apocalyptic number.

It is an amenable number.

538027745 is a deficient number, since it is larger than the sum of its proper divisors (107605555).

538027745 is a wasteful number, since it uses less digits than its factorization.

538027745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107605554.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 538027745 is about 23195.4250877193. The cubic root of 538027745 is about 813.3326822795.

The spelling of 538027745 in words is "five hundred thirty-eight million, twenty-seven thousand, seven hundred forty-five".

Divisors: 1 5 107605549 538027745