Base | Representation |
---|---|
bin | 101000100011000… |
… | …101011100110000 |
3 | 1202102002002221210 |
4 | 220203011130300 |
5 | 2343123123000 |
6 | 151300520120 |
7 | 22600223052 |
oct | 5043053460 |
9 | 1672062853 |
10 | 680286000 |
11 | 31a004a39 |
12 | 16b9b0040 |
13 | aac291c4 |
14 | 664c58d2 |
15 | 3eacb350 |
hex | 288c5730 |
680286000 has 80 divisors (see below), whose sum is σ = 2193261408. Its totient is φ = 181408000.
The previous prime is 680285999. The next prime is 680286043. The reversal of 680286000 is 682086.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 50691 + ... + 62690.
Almost surely, 2680286000 is an apocalyptic number.
680286000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
680286000 is an abundant number, since it is smaller than the sum of its proper divisors (1512975408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680286000 is a wasteful number, since it uses less digits than its factorization.
680286000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113407 (or 113391 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 680286000 is about 26082.2928439967. The cubic root of 680286000 is about 879.4892008073.
The spelling of 680286000 in words is "six hundred eighty million, two hundred eighty-six thousand".
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