Base | Representation |
---|---|
bin | 1100111011000… |
… | …00001101001010 |
3 | 21112222011021000 |
4 | 12131200031022 |
5 | 210222204021 |
6 | 14431155430 |
7 | 2454235236 |
oct | 635401512 |
9 | 245864230 |
10 | 108397386 |
11 | 56207619 |
12 | 30375b76 |
13 | 195c3a86 |
14 | 105795c6 |
15 | 97b2b26 |
hex | 676034a |
108397386 has 16 divisors (see below), whose sum is σ = 240883200. Its totient is φ = 36132444.
The previous prime is 108397381. The next prime is 108397409. The reversal of 108397386 is 683793801.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (108397381) 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, 1003626 + ... + 1003733.
It is an arithmetic number, because the mean of its divisors is an integer number (15055200).
Almost surely, 2108397386 is an apocalyptic number.
108397386 is an abundant number, since it is smaller than the sum of its proper divisors (132485814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108397386 is a wasteful number, since it uses less digits than its factorization.
108397386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2007370 (or 2007364 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 108397386 is about 10411.4065332211. The cubic root of 108397386 is about 476.8036848891.
It can be divided in two parts, 10839 and 7386, that added together give a square (18225 = 1352).
The spelling of 108397386 in words is "one hundred eight million, three hundred ninety-seven thousand, three hundred eighty-six".
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