Base | Representation |
---|---|
bin | 10001000001010… |
… | …11101111000000 |
3 | 100221200020211211 |
4 | 20200223233000 |
5 | 243023113342 |
6 | 22100215504 |
7 | 3352441114 |
oct | 1040535700 |
9 | 327606754 |
10 | 142785472 |
11 | 73664925 |
12 | 3b99a594 |
13 | 2377415b |
14 | 14d6b744 |
15 | c806c17 |
hex | 882bbc0 |
142785472 has 28 divisors (see below), whose sum is σ = 295662096. Its totient is φ = 68288000.
The previous prime is 142785451. The next prime is 142785529. The reversal of 142785472 is 274587241.
142785472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 47029 + ... + 49972.
Almost surely, 2142785472 is an apocalyptic number.
It is an amenable number.
142785472 is an abundant number, since it is smaller than the sum of its proper divisors (152876624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142785472 is an equidigital number, since it uses as much as digits as its factorization.
142785472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97036 (or 97026 counting only the distinct ones).
The product of its digits is 125440, while the sum is 40.
The square root of 142785472 is about 11949.2875101405. The cubic root of 142785472 is about 522.6705220920.
The spelling of 142785472 in words is "one hundred forty-two million, seven hundred eighty-five thousand, four hundred seventy-two".
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