| Base | Representation |
|---|---|
| bin | 10000101101110… |
| … | …10001100001000 |
| 3 | 100202212002010100 |
| 4 | 20112322030020 |
| 5 | 241344120430 |
| 6 | 21525245400 |
| 7 | 3321610053 |
| oct | 1026721410 |
| 9 | 322762110 |
| 10 | 140223240 |
| 11 | 72174883 |
| 12 | 3ab63860 |
| 13 | 23087b41 |
| 14 | 148a1a9a |
| 15 | c49c960 |
| hex | 85ba308 |
140223240 has 96 divisors (see below), whose sum is σ = 459463680. Its totient is φ = 37086336.
The previous prime is 140223227. The next prime is 140223241. The reversal of 140223240 is 42322041.
140223240 is a `hidden beast` number, since 1 + 402 + 23 + 240 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (140223241) 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, 44187 + ... + 47253.
It is an arithmetic number, because the mean of its divisors is an integer number (4786080).
Almost surely, 2140223240 is an apocalyptic number.
140223240 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 140223240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229731840).
140223240 is an abundant number, since it is smaller than the sum of its proper divisors (319240440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140223240 is a wasteful number, since it uses less digits than its factorization.
140223240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3211 (or 3204 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 140223240 is about 11841.5894203439. The cubic root of 140223240 is about 519.5252570424.
Adding to 140223240 its reverse (42322041), we get a palindrome (182545281).
It can be divided in two parts, 1402 and 23240, that added together give a palindrome (24642).
The spelling of 140223240 in words is "one hundred forty million, two hundred twenty-three thousand, two hundred forty".
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