Base | Representation |
---|---|
bin | 10000010010000… |
… | …10011111101000 |
3 | 100112000100110200 |
4 | 20021002133220 |
5 | 234431242430 |
6 | 21315312200 |
7 | 3245654346 |
oct | 1011023750 |
9 | 315010420 |
10 | 136587240 |
11 | 70111019 |
12 | 398ab660 |
13 | 223b3b6a |
14 | 141d6996 |
15 | bed0460 |
hex | 82427e8 |
136587240 has 96 divisors (see below), whose sum is σ = 458265600. Its totient is φ = 35245440.
The previous prime is 136587233. The next prime is 136587247. The reversal of 136587240 is 42785631.
136587240 is a `hidden beast` number, since 1 + 36 + 587 + 2 + 40 = 666.
It is an interprime number because it is at equal distance from previous prime (136587233) and next prime (136587247).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 136587195 and 136587204.
It is not an unprimeable number, because it can be changed into a prime (136587247) 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 23 ways as a sum of consecutive naturals, for example, 5041 + ... + 17279.
It is an arithmetic number, because the mean of its divisors is an integer number (4773600).
Almost surely, 2136587240 is an apocalyptic number.
136587240 is a gapful number since it is divisible by the number (10) 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 136587240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229132800).
136587240 is an abundant number, since it is smaller than the sum of its proper divisors (321678360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
136587240 is a wasteful number, since it uses less digits than its factorization.
136587240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12287 (or 12280 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 136587240 is about 11687.0543765313. The cubic root of 136587240 is about 514.9954315113.
The spelling of 136587240 in words is "one hundred thirty-six million, five hundred eighty-seven thousand, two hundred forty".
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