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538257 = 3593041
BaseRepresentation
bin10000011011010010001
31000100100110
42003122101
5114211012
615311533
74401156
oct2033221
91010313
10538257
11338445
1221b5a9
1315acc5
1410022d
15a973c
hex83691

538257 has 8 divisors (see below), whose sum is σ = 730080. Its totient is φ = 352640.

The previous prime is 538249. The next prime is 538259. The reversal of 538257 is 752835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 538257 - 23 = 538249 is a prime.

538257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (538259) 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, 1344 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (91260).

2538257 is an apocalyptic number.

It is an amenable number.

538257 is a deficient number, since it is larger than the sum of its proper divisors (191823).

538257 is a wasteful number, since it uses less digits than its factorization.

538257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103.

The product of its digits is 8400, while the sum is 30.

The square root of 538257 is about 733.6600029987. The cubic root of 538257 is about 81.3448186922.

The spelling of 538257 in words is "five hundred thirty-eight thousand, two hundred fifty-seven".

Divisors: 1 3 59 177 3041 9123 179419 538257