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538145 = 5432503
BaseRepresentation
bin10000011011000100001
31000100012022
42003120201
5114210040
615311225
74400636
oct2033041
91010168
10538145
11338353
1221b515
1315ac3a
1410018d
15a96b5
hex83621

538145 has 8 divisors (see below), whose sum is σ = 661056. Its totient is φ = 420336.

The previous prime is 538127. The next prime is 538147. The reversal of 538145 is 541835.

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 538145 - 212 = 534049 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538145.

It is not an unprimeable number, because it can be changed into a prime (538147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037 + ... + 1466.

It is an arithmetic number, because the mean of its divisors is an integer number (82632).

2538145 is an apocalyptic number.

It is an amenable number.

538145 is a deficient number, since it is larger than the sum of its proper divisors (122911).

538145 is a wasteful number, since it uses less digits than its factorization.

538145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551.

The product of its digits is 2400, while the sum is 26.

The square root of 538145 is about 733.5836693929. The cubic root of 538145 is about 81.3391762502.

The spelling of 538145 in words is "five hundred thirty-eight thousand, one hundred forty-five".

Divisors: 1 5 43 215 2503 12515 107629 538145