| Base | Representation |
|---|---|
| bin | 10000101100100… |
| … | …01011001001100 |
| 3 | 100202112120220110 |
| 4 | 20112101121030 |
| 5 | 241323244030 |
| 6 | 21521520020 |
| 7 | 3320312640 |
| oct | 1026213114 |
| 9 | 322476813 |
| 10 | 140056140 |
| 11 | 72070284 |
| 12 | 3aaa3010 |
| 13 | 23029a73 |
| 14 | 1485ac20 |
| 15 | c4681b0 |
| hex | 859164c |
140056140 has 144 divisors (see below), whose sum is σ = 464438016. Its totient is φ = 30890880.
The previous prime is 140056139. The next prime is 140056141. The reversal of 140056140 is 41650041.
140056140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (140056139) and next prime (140056141).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (140056141) 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 47 ways as a sum of consecutive naturals, for example, 403447 + ... + 403793.
It is an arithmetic number, because the mean of its divisors is an integer number (3225264).
Almost surely, 2140056140 is an apocalyptic number.
140056140 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 140056140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232219008).
140056140 is an abundant number, since it is smaller than the sum of its proper divisors (324381876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140056140 is a wasteful number, since it uses less digits than its factorization.
140056140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428 (or 395 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 140056140 is about 11834.5316764120. The cubic root of 140056140 is about 519.3188072477.
The spelling of 140056140 in words is "one hundred forty million, fifty-six thousand, one hundred forty".
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