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538508 = 22612207
BaseRepresentation
bin10000011011110001100
31000100200202
42003132030
5114213013
615313032
74401665
oct2033614
91010622
10538508
11338653
1221b778
1315b159
1410036c
15a9858
hex8378c

538508 has 12 divisors (see below), whose sum is σ = 958272. Its totient is φ = 264720.

The previous prime is 538487. The next prime is 538511. The reversal of 538508 is 805835.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538508.

It is an unprimeable number.

538508 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (79856).

2538508 is an apocalyptic number.

It is an amenable number.

538508 is a deficient number, since it is larger than the sum of its proper divisors (419764).

538508 is a wasteful number, since it uses less digits than its factorization.

538508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2270 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 538508 is about 733.8310432245. The cubic root of 538508 is about 81.3574609657.

The spelling of 538508 in words is "five hundred thirty-eight thousand, five hundred eight".

Divisors: 1 2 4 61 122 244 2207 4414 8828 134627 269254 538508