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538828254 = 2339978301
BaseRepresentation
bin100000000111011…
…101110111011110
31101112220022102000
4200013131313132
52100420001004
6125244543130
716231651566
oct4007356736
91345808360
10538828254
11257177708
12130551aa6
138782b4b3
14517c1da6
1532487c39
hex201dddde

538828254 has 16 divisors (see below), whose sum is σ = 1197396240. Its totient is φ = 179609400.

The previous prime is 538828247. The next prime is 538828331. The reversal of 538828254 is 452828835.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4989097 + ... + 4989204.

It is an arithmetic number, because the mean of its divisors is an integer number (74837265).

Almost surely, 2538828254 is an apocalyptic number.

538828254 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

538828254 is an abundant number, since it is smaller than the sum of its proper divisors (658567986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538828254 is a wasteful number, since it uses less digits than its factorization.

538828254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978312 (or 9978306 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 538828254 is about 23212.6744258390. The cubic root of 538828254 is about 813.7358569608.

The spelling of 538828254 in words is "five hundred thirty-eight million, eight hundred twenty-eight thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 9978301 19956602 29934903 59869806 89804709 179609418 269414127 538828254