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538386 = 23611471
BaseRepresentation
bin10000011011100010010
31000100112020
42003130102
5114212021
615312310
74401432
oct2033422
91010466
10538386
11338552
1221b696
1315b094
141002c2
15a97c6
hex83712

538386 has 16 divisors (see below), whose sum is σ = 1095168. Its totient is φ = 176400.

The previous prime is 538367. The next prime is 538397. The reversal of 538386 is 683835.

It is a Curzon 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, 370 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (68448).

2538386 is an apocalyptic number.

538386 is an abundant number, since it is smaller than the sum of its proper divisors (556782).

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

538386 is a wasteful number, since it uses less digits than its factorization.

538386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537.

The product of its digits is 17280, while the sum is 33.

The square root of 538386 is about 733.7479131146. The cubic root of 538386 is about 81.3513166064.

Adding to 538386 its reverse (683835), we get a palindrome (1222221).

The spelling of 538386 in words is "five hundred thirty-eight thousand, three hundred eighty-six".

Divisors: 1 2 3 6 61 122 183 366 1471 2942 4413 8826 89731 179462 269193 538386