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135230550 = 23527139907
BaseRepresentation
bin10000000111101…
…11010001010110
3100102110102102220
420003313101112
5234104334200
621230243210
73231304110
oct1003672126
9312412386
10135230550
116a374794
1239356506
132202a4a0
1413d623b0
15bd134a0
hex80f7456

135230550 has 96 divisors (see below), whose sum is σ = 412806912. Its totient is φ = 28529280.

The previous prime is 135230549. The next prime is 135230551. The reversal of 135230550 is 55032531.

It is an interprime number because it is at equal distance from previous prime (135230549) and next prime (135230551).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135230550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135230551) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 8697 + ... + 18603.

It is an arithmetic number, because the mean of its divisors is an integer number (4300072).

Almost surely, 2135230550 is an apocalyptic number.

135230550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135230550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206403456).

135230550 is an abundant number, since it is smaller than the sum of its proper divisors (277576362).

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

135230550 is a wasteful number, since it uses less digits than its factorization.

135230550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942 (or 9937 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 135230550 is about 11628.8670987332. The cubic root of 135230550 is about 513.2846438143.

The spelling of 135230550 in words is "one hundred thirty-five million, two hundred thirty thousand, five hundred fifty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 25 26 30 35 39 42 50 65 70 75 78 91 105 130 150 175 182 195 210 273 325 350 390 455 525 546 650 910 975 1050 1365 1950 2275 2730 4550 6825 9907 13650 19814 29721 49535 59442 69349 99070 128791 138698 148605 208047 247675 257582 297210 346745 386373 416094 495350 643955 693490 743025 772746 901537 1040235 1287910 1486050 1733725 1803074 1931865 2080470 2704611 3219775 3467450 3863730 4507685 5201175 5409222 6439550 9015370 9659325 10402350 13523055 19318650 22538425 27046110 45076850 67615275 135230550