Base | Representation |
---|---|
bin | 10001000010010… |
… | …10111101000000 |
3 | 100221220202020211 |
4 | 20201022331000 |
5 | 243041211334 |
6 | 22103043504 |
7 | 3353512660 |
oct | 1041127500 |
9 | 327822224 |
10 | 142913344 |
11 | 73741a02 |
12 | 3ba40594 |
13 | 237ba412 |
14 | 14da21a0 |
15 | c82ea64 |
hex | 884af40 |
142913344 has 56 divisors (see below), whose sum is σ = 328745088. Its totient is φ = 60372480.
The previous prime is 142913333. The next prime is 142913357. The reversal of 142913344 is 443319241.
It is a tau number, because it is divible by the number of its divisors (56).
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, 29562 + ... + 34054.
It is an arithmetic number, because the mean of its divisors is an integer number (5870448).
Almost surely, 2142913344 is an apocalyptic number.
142913344 is a gapful number since it is divisible by the number (14) 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 142913344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164372544).
142913344 is an abundant number, since it is smaller than the sum of its proper divisors (185831744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142913344 is an equidigital number, since it uses as much as digits as its factorization.
142913344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4583 (or 4573 counting only the distinct ones).
The product of its digits is 10368, while the sum is 31.
The square root of 142913344 is about 11954.6369246414. The cubic root of 142913344 is about 522.8265019746.
The spelling of 142913344 in words is "one hundred forty-two million, nine hundred thirteen thousand, three hundred forty-four".
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