Base | Representation |
---|---|
bin | 10000101100001… |
… | …11111001100000 |
3 | 100202110121120000 |
4 | 20112013321200 |
5 | 241321022443 |
6 | 21521020000 |
7 | 3320061360 |
oct | 1026077140 |
9 | 322417500 |
10 | 140017248 |
11 | 72044038 |
12 | 3aa84600 |
13 | 23015157 |
14 | 1484a9a0 |
15 | c45b8d3 |
hex | 8587e60 |
140017248 has 120 divisors (see below), whose sum is σ = 470674512. Its totient is φ = 39999744.
The previous prime is 140017243. The next prime is 140017259. The reversal of 140017248 is 842710041.
140017248 is a `hidden beast` number, since 1 + 400 + 17 + 248 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140017243) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14286 + ... + 22002.
Almost surely, 2140017248 is an apocalyptic number.
140017248 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 140017248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235337256).
140017248 is an abundant number, since it is smaller than the sum of its proper divisors (330657264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140017248 is an equidigital number, since it uses as much as digits as its factorization.
140017248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7746 (or 7729 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 27.
The square root of 140017248 is about 11832.8884047810. Note that the first 3 decimals coincide. The cubic root of 140017248 is about 519.2707331519.
Adding to 140017248 its reverse (842710041), we get a palindrome (982727289).
The spelling of 140017248 in words is "one hundred forty million, seventeen thousand, two hundred forty-eight".
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