Base | Representation |
---|---|
bin | 10000110010111… |
… | …00010110011010 |
3 | 100211002211020201 |
4 | 20121130112122 |
5 | 242031344300 |
6 | 21551412414 |
7 | 3330344404 |
oct | 1031342632 |
9 | 324084221 |
10 | 140887450 |
11 | 72588910 |
12 | 3b22410a |
13 | 2325b272 |
14 | 149d5b74 |
15 | c57e66a |
hex | 865c59a |
140887450 has 48 divisors (see below), whose sum is σ = 288267264. Its totient is φ = 50803200.
The previous prime is 140887433. The next prime is 140887459. The reversal of 140887450 is 54788041.
It is not an unprimeable number, because it can be changed into a prime (140887459) 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 23 ways as a sum of consecutive naturals, for example, 68842 + ... + 70858.
It is an arithmetic number, because the mean of its divisors is an integer number (6005568).
Almost surely, 2140887450 is an apocalyptic number.
140887450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
140887450 is an abundant number, since it is smaller than the sum of its proper divisors (147379814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140887450 is a wasteful number, since it uses less digits than its factorization.
140887450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2167 (or 2162 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 37.
The square root of 140887450 is about 11869.6019309832. The cubic root of 140887450 is about 520.3442616791.
The spelling of 140887450 in words is "one hundred forty million, eight hundred eighty-seven thousand, four hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •