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135030816 = 25323971181
BaseRepresentation
bin10000000110001…
…10100000100000
3100102002021110100
420003012200200
5234031441231
621222102400
73226512564
oct1003064040
9312067410
10135030816
116a248718
123927aa00
1321c8a5bb
1413d0d6a4
15bcc41e6
hex80c6820

135030816 has 72 divisors (see below), whose sum is σ = 385287084. Its totient is φ = 44858880.

The previous prime is 135030811. The next prime is 135030851. The reversal of 135030816 is 618030531.

135030816 is a `hidden beast` number, since 1 + 350 + 308 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120560400 + 14470416 = 10980^2 + 3804^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 135030816.

It is not an unprimeable number, because it can be changed into a prime (135030811) 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 11 ways as a sum of consecutive naturals, for example, 113746 + ... + 114926.

Almost surely, 2135030816 is an apocalyptic number.

135030816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135030816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192643542).

135030816 is an abundant number, since it is smaller than the sum of its proper divisors (250256268).

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

135030816 is a wasteful number, since it uses less digits than its factorization.

135030816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 135030816 is about 11620.2760724520. The cubic root of 135030816 is about 513.0318140843.

The spelling of 135030816 in words is "one hundred thirty-five million, thirty thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 397 794 1181 1191 1588 2362 2382 3176 3543 3573 4724 4764 6352 7086 7146 9448 9528 10629 12704 14172 14292 18896 19056 21258 28344 28584 37792 38112 42516 56688 57168 85032 113376 114336 170064 340128 468857 937714 1406571 1875428 2813142 3750856 4219713 5626284 7501712 8439426 11252568 15003424 16878852 22505136 33757704 45010272 67515408 135030816