Base | Representation |
---|---|
bin | 10000001110001… |
… | …00110101100100 |
3 | 100111001012110000 |
4 | 20013010311210 |
5 | 234313310143 |
6 | 21300301300 |
7 | 3241411653 |
oct | 1007046544 |
9 | 314035400 |
10 | 136072548 |
11 | 6a89a357 |
12 | 396a1830 |
13 | 22263801 |
14 | 1410119a |
15 | be2cbd3 |
hex | 81c4d64 |
136072548 has 60 divisors (see below), whose sum is σ = 359077180. Its totient is φ = 44929728.
The previous prime is 136072543. The next prime is 136072549. The reversal of 136072548 is 845270631.
136072548 is a `hidden beast` number, since 1 + 3 + 607 + 2 + 5 + 48 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 120956004 + 15116544 = 10998^2 + 3888^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (136072543) 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 19 ways as a sum of consecutive naturals, for example, 33390 + ... + 37242.
Almost surely, 2136072548 is an apocalyptic number.
136072548 is a gapful number since it is divisible by the number (18) 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 136072548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179538590).
136072548 is an abundant number, since it is smaller than the sum of its proper divisors (223004632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
136072548 is a wasteful number, since it uses less digits than its factorization.
136072548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3978 (or 3967 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 136072548 is about 11665.0138448268. The cubic root of 136072548 is about 514.3477437086.
The spelling of 136072548 in words is "one hundred thirty-six million, seventy-two thousand, five hundred forty-eight".
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