Base | Representation |
---|---|
bin | 10111000010010… |
… | …000111000100000 |
3 | 222221012200100210 |
4 | 113002100320200 |
5 | 1242414010113 |
6 | 102203214120 |
7 | 12401635653 |
oct | 2702207040 |
9 | 887180323 |
10 | 386469408 |
11 | 189174206 |
12 | a9517340 |
13 | 620b4a30 |
14 | 3948189a |
15 | 23dde6c3 |
hex | 17090e20 |
386469408 has 48 divisors (see below), whose sum is σ = 1092522816. Its totient is φ = 118913280.
The previous prime is 386469397. The next prime is 386469427. The reversal of 386469408 is 804964683.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153588 + ... + 156083.
It is an arithmetic number, because the mean of its divisors is an integer number (22760892).
Almost surely, 2386469408 is an apocalyptic number.
It is an amenable number.
386469408 is an abundant number, since it is smaller than the sum of its proper divisors (706053408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386469408 is a wasteful number, since it uses less digits than its factorization.
386469408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309697 (or 309689 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 48.
The square root of 386469408 is about 19658.8251937902. The cubic root of 386469408 is about 728.4029689500.
The spelling of 386469408 in words is "three hundred eighty-six million, four hundred sixty-nine thousand, four hundred eight".
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