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135382688 = 257286341
BaseRepresentation
bin10000001000111…
…00011010100000
3100102202011010122
420010130122200
5234124221223
621233415412
73232506500
oct1004343240
9312664118
10135382688
116a469021
123940a568
13220817cc
1413da1a00
15bd435c8
hex811c6a0

135382688 has 36 divisors (see below), whose sum is σ = 310054122. Its totient is φ = 58020480.

The previous prime is 135382649. The next prime is 135382693. The reversal of 135382688 is 886283531.

It can be written as a sum of positive squares in only one way, i.e., 126067984 + 9314704 = 11228^2 + 3052^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41603 + ... + 44738.

Almost surely, 2135382688 is an apocalyptic number.

It is an amenable number.

135382688 is an abundant number, since it is smaller than the sum of its proper divisors (174671434).

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

135382688 is an equidigital number, since it uses as much as digits as its factorization.

135382688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86365 (or 86350 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 135382688 is about 11635.4066538304. The cubic root of 135382688 is about 513.4770580110.

The spelling of 135382688 in words is "one hundred thirty-five million, three hundred eighty-two thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 86341 172682 345364 604387 690728 1208774 1381456 2417548 2762912 4230709 4835096 8461418 9670192 16922836 19340384 33845672 67691344 135382688