Base | Representation |
---|---|
bin | 10110101100001… |
… | …011110111000110 |
3 | 222112022122002010 |
4 | 112230023313012 |
5 | 1234423303140 |
6 | 101435155050 |
7 | 12301512045 |
oct | 2654136706 |
9 | 875278063 |
10 | 380681670 |
11 | 185980856 |
12 | a75a5a86 |
13 | 60b39535 |
14 | 387b655c |
15 | 23649880 |
hex | 16b0bdc6 |
380681670 has 32 divisors (see below), whose sum is σ = 933078528. Its totient is φ = 99354848.
The previous prime is 380681657. The next prime is 380681713. The reversal of 380681670 is 76186083.
It is a Curzon number.
It is a congruent number.
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, 133584 + ... + 136403.
It is an arithmetic number, because the mean of its divisors is an integer number (29158704).
Almost surely, 2380681670 is an apocalyptic number.
380681670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
380681670 is an abundant number, since it is smaller than the sum of its proper divisors (552396858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380681670 is a wasteful number, since it uses less digits than its factorization.
380681670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270044.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 380681670 is about 19511.0653220166. The cubic root of 380681670 is about 724.7484946089.
The spelling of 380681670 in words is "three hundred eighty million, six hundred eighty-one thousand, six hundred seventy".
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