Base | Representation |
---|---|
bin | 10001000010010… |
… | …01100111000001 |
3 | 100221220110201000 |
4 | 20201021213001 |
5 | 243041022331 |
6 | 22103002213 |
7 | 3353460636 |
oct | 1041114701 |
9 | 327813630 |
10 | 142907841 |
11 | 7373885a |
12 | 3ba39369 |
13 | 237b7a6b |
14 | 14da018d |
15 | c82d0e6 |
hex | 88499c1 |
142907841 has 8 divisors (see below), whose sum is σ = 211715360. Its totient is φ = 95271876.
The previous prime is 142907839. The next prime is 142907857. The reversal of 142907841 is 148709241.
It is not a de Polignac number, because 142907841 - 21 = 142907839 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142907796 and 142907805.
It is not an unprimeable number, because it can be changed into a prime (142907881) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2646415 + ... + 2646468.
It is an arithmetic number, because the mean of its divisors is an integer number (26464420).
Almost surely, 2142907841 is an apocalyptic number.
It is an amenable number.
142907841 is a deficient number, since it is larger than the sum of its proper divisors (68807519).
142907841 is an equidigital number, since it uses as much as digits as its factorization.
142907841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5292892 (or 5292886 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 142907841 is about 11954.4067606887. The cubic root of 142907841 is about 522.8197912620.
The spelling of 142907841 in words is "one hundred forty-two million, nine hundred seven thousand, eight hundred forty-one".
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