Base | Representation |
---|---|
bin | 10111110001100… |
… | …111010101001000 |
3 | 1000210120022101212 |
4 | 113301213111020 |
5 | 1304103211440 |
6 | 103325232252 |
7 | 12612304430 |
oct | 2761472510 |
9 | 1023508355 |
10 | 398882120 |
11 | 19518204a |
12 | b1702688 |
13 | 6483c830 |
14 | 3ad932c0 |
15 | 25042465 |
hex | 17c67548 |
398882120 has 64 divisors (see below), whose sum is σ = 1104606720. Its totient is φ = 126238464.
The previous prime is 398882119. The next prime is 398882129. The reversal of 398882120 is 21288893.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (398882129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51152 + ... + 58431.
It is an arithmetic number, because the mean of its divisors is an integer number (17259480).
Almost surely, 2398882120 is an apocalyptic number.
It is an amenable number.
398882120 is an abundant number, since it is smaller than the sum of its proper divisors (705724600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
398882120 is a wasteful number, since it uses less digits than its factorization.
398882120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109614 (or 109610 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 41.
The square root of 398882120 is about 19972.0334467975. The cubic root of 398882120 is about 736.1192751322.
The spelling of 398882120 in words is "three hundred ninety-eight million, eight hundred eighty-two thousand, one hundred twenty".
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