Base | Representation |
---|---|
bin | 10111110001011… |
… | …010101011110101 |
3 | 1000210110200100112 |
4 | 113301122223311 |
5 | 1304100032300 |
6 | 103324152405 |
7 | 12612000425 |
oct | 2761325365 |
9 | 1023420315 |
10 | 398830325 |
11 | 195147143 |
12 | b1698705 |
13 | 6482209a |
14 | 3ad7c485 |
15 | 25031e35 |
hex | 17c5aaf5 |
398830325 has 12 divisors (see below), whose sum is σ = 496318308. Its totient is φ = 317923200.
The previous prime is 398830321. The next prime is 398830331. The reversal of 398830325 is 523038893.
398830325 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 12432676 + 386397649 = 3526^2 + 19657^2 .
It is not a de Polignac number, because 398830325 - 22 = 398830321 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (398830321) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21362 + ... + 35411.
It is an arithmetic number, because the mean of its divisors is an integer number (41359859).
Almost surely, 2398830325 is an apocalyptic number.
It is an amenable number.
398830325 is a deficient number, since it is larger than the sum of its proper divisors (97487983).
398830325 is a wasteful number, since it uses less digits than its factorization.
398830325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57064 (or 57059 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 41.
The square root of 398830325 is about 19970.7367165060. The cubic root of 398830325 is about 736.0874119607.
The spelling of 398830325 in words is "three hundred ninety-eight million, eight hundred thirty thousand, three hundred twenty-five".
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