Base | Representation |
---|---|
bin | 10001000011000… |
… | …11100000101010 |
3 | 100222002212020020 |
4 | 20201203200222 |
5 | 243102421210 |
6 | 22105141310 |
7 | 3354412143 |
oct | 1041434052 |
9 | 328085206 |
10 | 143013930 |
11 | 73800534 |
12 | 3ba8a836 |
13 | 23824137 |
14 | 14dcaaca |
15 | c84e770 |
hex | 886382a |
143013930 has 32 divisors (see below), whose sum is σ = 346279104. Its totient is φ = 37798656.
The previous prime is 143013929. The next prime is 143013947. The reversal of 143013930 is 39310341.
It is a self number, because there is not a number n which added to its sum of digits gives 143013930.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17704 + ... + 24483.
It is an arithmetic number, because the mean of its divisors is an integer number (10821222).
Almost surely, 2143013930 is an apocalyptic number.
143013930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143013930 is an abundant number, since it is smaller than the sum of its proper divisors (203265174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143013930 is a wasteful number, since it uses less digits than its factorization.
143013930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42310.
The product of its (nonzero) digits is 972, while the sum is 24.
The square root of 143013930 is about 11958.8431714777. The cubic root of 143013930 is about 522.9491326823.
The spelling of 143013930 in words is "one hundred forty-three million, thirteen thousand, nine hundred thirty".
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