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538288 = 24171979
BaseRepresentation
bin10000011011010110000
31000100101121
42003122300
5114211123
615312024
74401232
oct2033260
91010347
10538288
11338473
1221b614
1315b01a
14100252
15a975d
hex836b0

538288 has 20 divisors (see below), whose sum is σ = 1104840. Its totient is φ = 253184.

The previous prime is 538283. The next prime is 538297. The reversal of 538288 is 882835.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (538283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718 + ... + 1261.

It is an arithmetic number, because the mean of its divisors is an integer number (55242).

2538288 is an apocalyptic number.

It is an amenable number.

538288 is an abundant number, since it is smaller than the sum of its proper divisors (566552).

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

538288 is a wasteful number, since it uses less digits than its factorization.

538288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 1998 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 538288 is about 733.6811296469. The cubic root of 538288 is about 81.3463803012.

The spelling of 538288 in words is "five hundred thirty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 17 34 68 136 272 1979 3958 7916 15832 31664 33643 67286 134572 269144 538288