Base | Representation |
---|---|
bin | 10110101101000… |
… | …101101001101110 |
3 | 222112202122210020 |
4 | 112231011221232 |
5 | 1240003342012 |
6 | 101444223010 |
7 | 12303516135 |
oct | 2655055156 |
9 | 875678706 |
10 | 380918382 |
11 | 186022689 |
12 | a769aa66 |
13 | 60bc01c0 |
14 | 3883891c |
15 | 23694a8c |
hex | 16b45a6e |
380918382 has 16 divisors (see below), whose sum is σ = 820439760. Its totient is φ = 117205632.
The previous prime is 380918323. The next prime is 380918389. The reversal of 380918382 is 283819083.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380918389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2441707 + ... + 2441862.
It is an arithmetic number, because the mean of its divisors is an integer number (51277485).
Almost surely, 2380918382 is an apocalyptic number.
380918382 is an abundant number, since it is smaller than the sum of its proper divisors (439521378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380918382 is a wasteful number, since it uses less digits than its factorization.
380918382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4883587.
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 380918382 is about 19517.1304755592. The cubic root of 380918382 is about 724.8986823141.
The spelling of 380918382 in words is "three hundred eighty million, nine hundred eighteen thousand, three hundred eighty-two".
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