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538028508 = 22347339473
BaseRepresentation
bin100000000100011…
…010100111011100
31101111101200100210
4200010122213130
52100213403013
6125215452420
716222111143
oct4004324734
91344350323
10538028508
11256780866
12130227110
138760b484
145165475a
153237acc3
hex2011a9dc

538028508 has 24 divisors (see below), whose sum is σ = 1255797648. Its totient is φ = 179286016.

The previous prime is 538028501. The next prime is 538028509. The reversal of 538028508 is 805820835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538028501) 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, 52060 + ... + 61532.

It is an arithmetic number, because the mean of its divisors is an integer number (52324902).

Almost surely, 2538028508 is an apocalyptic number.

It is an amenable number.

538028508 is an abundant number, since it is smaller than the sum of its proper divisors (717769140).

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

538028508 is a wasteful number, since it uses less digits than its factorization.

538028508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14213 (or 14211 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 538028508 is about 23195.4415349223. The cubic root of 538028508 is about 813.3330667532. Note that the first 3 decimals are identical.

The spelling of 538028508 in words is "five hundred thirty-eight million, twenty-eight thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 4733 9466 9473 14199 18932 18946 28398 28419 37892 56796 56838 113676 44835709 89671418 134507127 179342836 269014254 538028508