Base | Representation |
---|---|
bin | 10111000011001… |
… | …010011000011101 |
3 | 222221122122102122 |
4 | 113003022120131 |
5 | 1242444024200 |
6 | 102212232325 |
7 | 12403636415 |
oct | 2703123035 |
9 | 887578378 |
10 | 386704925 |
11 | 189315152 |
12 | a960b6a5 |
13 | 62167ca9 |
14 | 39503645 |
15 | 23e39385 |
hex | 170ca61d |
386704925 has 18 divisors (see below), whose sum is σ = 487621134. Its totient is φ = 304219200.
The previous prime is 386704909. The next prime is 386704931. The reversal of 386704925 is 529407683.
386704925 is nontrivially palindromic in base 2.
It can be written as a sum of positive squares in 9 ways, for example, as 325333369 + 61371556 = 18037^2 + 7834^2 .
It is not a de Polignac number, because 386704925 - 24 = 386704909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 90947 + ... + 95103.
It is an arithmetic number, because the mean of its divisors is an integer number (27090063).
Almost surely, 2386704925 is an apocalyptic number.
It is an amenable number.
386704925 is a deficient number, since it is larger than the sum of its proper divisors (100916209).
386704925 is an equidigital number, since it uses as much as digits as its factorization.
386704925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4289 (or 4223 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 44.
The square root of 386704925 is about 19664.8143901741. The cubic root of 386704925 is about 728.5509034239.
The spelling of 386704925 in words is "three hundred eighty-six million, seven hundred four thousand, nine hundred twenty-five".
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