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538484920 = 23538934607
BaseRepresentation
bin100000000110001…
…010000010111000
31101112020212102221
4200012022002320
52100323004140
6125233333424
716226021611
oct4006120270
91345225387
10538484920
11256a62766
12130407274
138773b13c
1451732c08
153241b14a
hex2018a0b8

538484920 has 32 divisors (see below), whose sum is σ = 1214740800. Its totient is φ = 214834048.

The previous prime is 538484897. The next prime is 538484951. The reversal of 538484920 is 29484835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1744 + ... + 32863.

It is an arithmetic number, because the mean of its divisors is an integer number (37960650).

Almost surely, 2538484920 is an apocalyptic number.

It is an amenable number.

538484920 is an abundant number, since it is smaller than the sum of its proper divisors (676255880).

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

538484920 is a wasteful number, since it uses less digits than its factorization.

538484920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35007 (or 35003 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 538484920 is about 23205.2778479380. The cubic root of 538484920 is about 813.5629864494.

The spelling of 538484920 in words is "five hundred thirty-eight million, four hundred eighty-four thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 389 778 1556 1945 3112 3890 7780 15560 34607 69214 138428 173035 276856 346070 692140 1384280 13462123 26924246 53848492 67310615 107696984 134621230 269242460 538484920