Base | Representation |
---|---|
bin | 10111110000001… |
… | …111011100010010 |
3 | 1000202220000120220 |
4 | 113300033130102 |
5 | 1304010202010 |
6 | 103313413510 |
7 | 12606245046 |
oct | 2760173422 |
9 | 1022800526 |
10 | 398522130 |
11 | 194a56636 |
12 | b156a296 |
13 | 64744a16 |
14 | 3acdc026 |
15 | 24ec0970 |
hex | 17c0f712 |
398522130 has 16 divisors (see below), whose sum is σ = 956453184. Its totient is φ = 106272560.
The previous prime is 398522129. The next prime is 398522149. The reversal of 398522130 is 31225893.
It is a junction number, because it is equal to n+sod(n) for n = 398522091 and 398522100.
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, 6642006 + ... + 6642065.
It is an arithmetic number, because the mean of its divisors is an integer number (59778324).
Almost surely, 2398522130 is an apocalyptic number.
398522130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
398522130 is an abundant number, since it is smaller than the sum of its proper divisors (557931054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
398522130 is a wasteful number, since it uses less digits than its factorization.
398522130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13284081.
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 398522130 is about 19963.0190602524. The cubic root of 398522130 is about 735.8977599495.
The spelling of 398522130 in words is "three hundred ninety-eight million, five hundred twenty-two thousand, one hundred thirty".
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