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135201230 = 25311732521
BaseRepresentation
bin10000000111100…
…00000111001110
3100102101221012222
420003300013032
5234102414410
621225455342
73231122453
oct1003600716
9312357188
10135201230
116a35475a
1239341552
132201a038
1413d5582a
15bd09955
hex80f01ce

135201230 has 32 divisors (see below), whose sum is σ = 252764928. Its totient is φ = 52012800.

The previous prime is 135201211. The next prime is 135201233. The reversal of 135201230 is 32102531.

It is a junction number, because it is equal to n+sod(n) for n = 135201199 and 135201208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135201233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52370 + ... + 54890.

It is an arithmetic number, because the mean of its divisors is an integer number (7898904).

Almost surely, 2135201230 is an apocalyptic number.

135201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135201230 is a deficient number, since it is larger than the sum of its proper divisors (117563698).

135201230 is a wasteful number, since it uses less digits than its factorization.

135201230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 135201230 is about 11627.6063744865. The cubic root of 135201230 is about 513.2475452111.

Adding to 135201230 its reverse (32102531), we get a palindrome (167303761).

The spelling of 135201230 in words is "one hundred thirty-five million, two hundred one thousand, two hundred thirty".

Divisors: 1 2 5 10 31 62 155 173 310 346 865 1730 2521 5042 5363 10726 12605 25210 26815 53630 78151 156302 390755 436133 781510 872266 2180665 4361330 13520123 27040246 67600615 135201230