Base | Representation |
---|---|
bin | 10000001100101… |
… | …11010100111100 |
3 | 100110200201202000 |
4 | 20012113110330 |
5 | 234241324030 |
6 | 21252302300 |
7 | 3240004335 |
oct | 1006272474 |
9 | 313621660 |
10 | 135886140 |
11 | 6a7822a5 |
12 | 39611990 |
13 | 221c9a00 |
14 | 1409328c |
15 | bde2860 |
hex | 819753c |
135886140 has 144 divisors (see below), whose sum is σ = 458085600. Its totient is φ = 33426432.
The previous prime is 135886123. The next prime is 135886147. The reversal of 135886140 is 41688531.
135886140 is a `hidden beast` number, since 1 + 35 + 8 + 8 + 614 + 0 = 666.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
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 = 135886095 and 135886104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (135886147) 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, 90516 + ... + 92004.
It is an arithmetic number, because the mean of its divisors is an integer number (3181150).
Almost surely, 2135886140 is an apocalyptic number.
135886140 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 135886140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229042800).
135886140 is an abundant number, since it is smaller than the sum of its proper divisors (322199460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
135886140 is a wasteful number, since it uses less digits than its factorization.
135886140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1533 (or 1512 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 135886140 is about 11657.0210602881. The cubic root of 135886140 is about 514.1127652582.
The spelling of 135886140 in words is "one hundred thirty-five million, eight hundred eighty-six thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.098 sec. • engine limits •