Base | Representation |
---|---|
bin | 10000111101010… |
… | …11111000000000 |
3 | 100220200122110002 |
4 | 20132223320000 |
5 | 242404334020 |
6 | 22041055132 |
7 | 3345130214 |
oct | 1036537000 |
9 | 326618402 |
10 | 142261760 |
11 | 73337403 |
12 | 3b7874a8 |
13 | 2361c974 |
14 | 14c72944 |
15 | c751975 |
hex | 87abe00 |
142261760 has 80 divisors (see below), whose sum is σ = 347067072. Its totient is φ = 55910400.
The previous prime is 142261747. The next prime is 142261771. The reversal of 142261760 is 67162241.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155705 + ... + 156615.
Almost surely, 2142261760 is an apocalyptic number.
142261760 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 142261760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173533536).
142261760 is an abundant number, since it is smaller than the sum of its proper divisors (204805312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142261760 is an frugal number, since it uses more digits than its factorization.
142261760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 995 (or 979 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 142261760 is about 11927.3534365340. The cubic root of 142261760 is about 522.0307180389.
The spelling of 142261760 in words is "one hundred forty-two million, two hundred sixty-one thousand, seven hundred sixty".
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