Base | Representation |
---|---|
bin | 1001111010010… |
… | …11001011111100 |
3 | 12210110020010210 |
4 | 10331023023330 |
5 | 132241123333 |
6 | 12130032420 |
7 | 2026503420 |
oct | 475131374 |
9 | 183406123 |
10 | 83145468 |
11 | 42a2a46a |
12 | 23a18710 |
13 | 142c2003 |
14 | b084b80 |
15 | 7475a63 |
hex | 4f4b2fc |
83145468 has 24 divisors (see below), whose sum is σ = 221721472. Its totient is φ = 23755824.
The previous prime is 83145451. The next prime is 83145493. The reversal of 83145468 is 86454138.
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, 494830 + ... + 494997.
Almost surely, 283145468 is an apocalyptic number.
It is an amenable number.
83145468 is an abundant number, since it is smaller than the sum of its proper divisors (138576004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83145468 is a wasteful number, since it uses less digits than its factorization.
83145468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 989841 (or 989839 counting only the distinct ones).
The product of its digits is 92160, while the sum is 39.
The square root of 83145468 is about 9118.4136778280. The cubic root of 83145468 is about 436.4617544355.
The spelling of 83145468 in words is "eighty-three million, one hundred forty-five thousand, four hundred sixty-eight".
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