Base | Representation |
---|---|
bin | 10000101101110… |
… | …01100111010000 |
3 | 100202211221212221 |
4 | 20112321213100 |
5 | 241344032010 |
6 | 21525230424 |
7 | 3321600142 |
oct | 1026714720 |
9 | 322757787 |
10 | 140220880 |
11 | 72173028 |
12 | 3ab62414 |
13 | 23086a47 |
14 | 148a0c92 |
15 | c49bdda |
hex | 85b99d0 |
140220880 has 40 divisors (see below), whose sum is σ = 340192512. Its totient is φ = 53649024.
The previous prime is 140220877. The next prime is 140220889. The reversal of 140220880 is 88022041.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140220889) 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 7 ways as a sum of consecutive naturals, for example, 36264 + ... + 39943.
Almost surely, 2140220880 is an apocalyptic number.
140220880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
140220880 is an abundant number, since it is smaller than the sum of its proper divisors (199971632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140220880 is a wasteful number, since it uses less digits than its factorization.
140220880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76243 (or 76237 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 25.
The square root of 140220880 is about 11841.4897711394. The cubic root of 140220880 is about 519.5223424365.
The spelling of 140220880 in words is "one hundred forty million, two hundred twenty thousand, eight hundred eighty".
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