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135312575 = 529755799
BaseRepresentation
bin10000001000010…
…11010010111111
3100102121120221212
420010023102333
5234120000300
621232115035
73232065206
oct1004132277
9312546855
10135312575
116a420382
1239395a7b
1322058918
1413d8423d
15bd2c935
hex810b4bf

135312575 has 12 divisors (see below), whose sum is σ = 169520400. Its totient is φ = 107132160.

The previous prime is 135312559. The next prime is 135312599. The reversal of 135312575 is 575213531.

It is not a de Polignac number, because 135312575 - 24 = 135312559 is a prime.

It is a congruent number.

It is an unprimeable number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25475 + ... + 30324.

It is an arithmetic number, because the mean of its divisors is an integer number (14126700).

Almost surely, 2135312575 is an apocalyptic number.

135312575 is a deficient number, since it is larger than the sum of its proper divisors (34207825).

135312575 is an equidigital number, since it uses as much as digits as its factorization.

135312575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55906 (or 55901 counting only the distinct ones).

The product of its digits is 15750, while the sum is 32.

The square root of 135312575 is about 11632.3933478885. The cubic root of 135312575 is about 513.3884015903.

The spelling of 135312575 in words is "one hundred thirty-five million, three hundred twelve thousand, five hundred seventy-five".

Divisors: 1 5 25 97 485 2425 55799 278995 1394975 5412503 27062515 135312575