Base | Representation |
---|---|
bin | 10000111110010… |
… | …10001101101110 |
3 | 100220220221220200 |
4 | 20133022031232 |
5 | 242422323110 |
6 | 22043454330 |
7 | 3346155423 |
oct | 1037121556 |
9 | 326827820 |
10 | 142386030 |
11 | 73411806 |
12 | 3b8273a6 |
13 | 236643b7 |
14 | 14ca5d4a |
15 | c7786c0 |
hex | 87ca36e |
142386030 has 96 divisors (see below), whose sum is σ = 387773568. Its totient is φ = 36211200.
The previous prime is 142386011. The next prime is 142386043. The reversal of 142386030 is 30683241.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 142385985 and 142386003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173020 + ... + 173840.
It is an arithmetic number, because the mean of its divisors is an integer number (4039308).
Almost surely, 2142386030 is an apocalyptic number.
142386030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 142386030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193886784).
142386030 is an abundant number, since it is smaller than the sum of its proper divisors (245387538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142386030 is a wasteful number, since it uses less digits than its factorization.
142386030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 922 (or 919 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 142386030 is about 11932.5617534543. The cubic root of 142386030 is about 522.1826770686.
The spelling of 142386030 in words is "one hundred forty-two million, three hundred eighty-six thousand, thirty".
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