Base | Representation |
---|---|
bin | 10001000001110… |
… | …01111101100110 |
3 | 100221210012210021 |
4 | 20200321331212 |
5 | 243032000000 |
6 | 22101345354 |
7 | 3353103040 |
oct | 1040717546 |
9 | 327705707 |
10 | 142843750 |
11 | 736a4695 |
12 | 3ba0825a |
13 | 2379483a |
14 | 14d84a90 |
15 | c81911a |
hex | 8839f66 |
142843750 has 56 divisors (see below), whose sum is σ = 306558576. Its totient is φ = 48900000.
The previous prime is 142843709. The next prime is 142843751. The reversal of 142843750 is 57348241.
142843750 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142843751) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 218424 + ... + 219076.
Almost surely, 2142843750 is an apocalyptic number.
142843750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142843750 is an abundant number, since it is smaller than the sum of its proper divisors (163714826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142843750 is an frugal number, since it uses more digits than its factorization.
142843750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 692 (or 667 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 34.
The square root of 142843750 is about 11951.7258168015. The cubic root of 142843750 is about 522.7416218780.
The spelling of 142843750 in words is "one hundred forty-two million, eight hundred forty-three thousand, seven hundred fifty".
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