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538357275 = 325217971451
BaseRepresentation
bin100000000101101…
…010111000011011
31101112000101100100
4200011222320123
52100304413100
6125230510443
716224650511
oct4005527033
91345011310
10538357275
11256985875
12130365423
13876c5001
14516dc4b1
15323e3400
hex2016ae1b

538357275 has 72 divisors (see below), whose sum is σ = 1032215184. Its totient is φ = 267264000.

The previous prime is 538357249. The next prime is 538357277. The reversal of 538357275 is 572753835.

538357275 is a `hidden beast` number, since 5 + 3 + 8 + 3 + 572 + 75 = 666.

538357275 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 538357275 - 216 = 538291739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 538357275.

It is not an unprimeable number, because it can be changed into a prime (538357277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 370300 + ... + 371750.

It is an arithmetic number, because the mean of its divisors is an integer number (14336322).

Almost surely, 2538357275 is an apocalyptic number.

538357275 is a deficient number, since it is larger than the sum of its proper divisors (493857909).

538357275 is a wasteful number, since it uses less digits than its factorization.

538357275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1573 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 538357275 is about 23202.5273407877. The cubic root of 538357275 is about 813.4986977695.

The spelling of 538357275 in words is "five hundred thirty-eight million, three hundred fifty-seven thousand, two hundred seventy-five".

Divisors: 1 3 5 9 15 17 25 45 51 75 85 97 153 225 255 291 425 485 765 873 1275 1451 1455 1649 2425 3825 4353 4365 4947 7255 7275 8245 13059 14841 21765 21825 24667 24735 36275 41225 65295 74001 74205 108825 123335 123675 140747 222003 326475 370005 371025 422241 616675 703735 1110015 1266723 1850025 2111205 2392699 3518675 5550075 6333615 7178097 10556025 11963495 21534291 31668075 35890485 59817475 107671455 179452425 538357275