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538965 = 32572959
BaseRepresentation
bin10000011100101010101
31000101022200
42003211111
5114221330
615315113
74403220
oct2034525
91011280
10538965
11338a29
1221ba99
1315b41b
141005b7
15a9a60
hex83955

538965 has 48 divisors (see below), whose sum is σ = 1123200. Its totient is φ = 233856.

The previous prime is 538943. The next prime is 538987. The reversal of 538965 is 569835.

It is an interprime number because it is at equal distance from previous prime (538943) and next prime (538987).

It is not a de Polignac number, because 538965 - 28 = 538709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9106 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (23400).

2538965 is an apocalyptic number.

It is an amenable number.

538965 is an abundant number, since it is smaller than the sum of its proper divisors (584235).

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

538965 is a wasteful number, since it uses less digits than its factorization.

538965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 103 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 538965 is about 734.1423567674. The cubic root of 538965 is about 81.3804688857.

The spelling of 538965 in words is "five hundred thirty-eight thousand, nine hundred sixty-five".

Divisors: 1 3 5 7 9 15 21 29 35 45 59 63 87 105 145 177 203 261 295 315 413 435 531 609 885 1015 1239 1305 1711 1827 2065 2655 3045 3717 5133 6195 8555 9135 11977 15399 18585 25665 35931 59885 76995 107793 179655 538965