Base | Representation |
---|---|
bin | 10001000100000… |
… | …10111111001100 |
3 | 100222100102002102 |
4 | 20202002333030 |
5 | 243121032420 |
6 | 22112014232 |
7 | 3355460060 |
oct | 1042027714 |
9 | 328312072 |
10 | 143142860 |
11 | 73889393 |
12 | 3bb31378 |
13 | 2386aa23 |
14 | 15021aa0 |
15 | c877a75 |
hex | 8882fcc |
143142860 has 24 divisors (see below), whose sum is σ = 343543200. Its totient is φ = 49077504.
The previous prime is 143142847. The next prime is 143142893. The reversal of 143142860 is 68241341.
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, 511085 + ... + 511364.
It is an arithmetic number, because the mean of its divisors is an integer number (14314300).
Almost surely, 2143142860 is an apocalyptic number.
143142860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143142860 is an abundant number, since it is smaller than the sum of its proper divisors (200400340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143142860 is a wasteful number, since it uses less digits than its factorization.
143142860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1022465 (or 1022463 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 143142860 is about 11964.2325286664. The cubic root of 143142860 is about 523.1062352818.
The spelling of 143142860 in words is "one hundred forty-three million, one hundred forty-two thousand, eight hundred sixty".
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