Base | Representation |
---|---|
bin | 10110100101101… |
… | …110101000011110 |
3 | 222102010122021211 |
4 | 112211232220132 |
5 | 1234010122321 |
6 | 101335015034 |
7 | 12251232310 |
oct | 2645565036 |
9 | 872118254 |
10 | 378989086 |
11 | 184a25123 |
12 | a6b0a47a |
13 | 60695cc8 |
14 | 384957b0 |
15 | 234130e1 |
hex | 1696ea1e |
378989086 has 16 divisors (see below), whose sum is σ = 683890560. Its totient is φ = 153875160.
The previous prime is 378989077. The next prime is 378989087. The reversal of 378989086 is 680989873.
It is a self number, because there is not a number n which added to its sum of digits gives 378989086.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378989087) 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, 712120 + ... + 712651.
It is an arithmetic number, because the mean of its divisors is an integer number (42743160).
Almost surely, 2378989086 is an apocalyptic number.
378989086 is a deficient number, since it is larger than the sum of its proper divisors (304901474).
378989086 is a wasteful number, since it uses less digits than its factorization.
378989086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1424799.
The product of its (nonzero) digits is 5225472, while the sum is 58.
The square root of 378989086 is about 19467.6420246521. The cubic root of 378989086 is about 723.6727749620.
The spelling of 378989086 in words is "three hundred seventy-eight million, nine hundred eighty-nine thousand, eighty-six".
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