Base | Representation |
---|---|
bin | 10001101100000… |
… | …11110101001101 |
3 | 101100012221201012 |
4 | 20312003311031 |
5 | 300441423242 |
6 | 22420255005 |
7 | 3451200365 |
oct | 1066036515 |
9 | 340187635 |
10 | 148389197 |
11 | 76842000 |
12 | 41841465 |
13 | 24986978 |
14 | 159c99a5 |
15 | d062282 |
hex | 8d83d4d |
148389197 has 8 divisors (see below), whose sum is σ = 163218432. Its totient is φ = 134898060.
The previous prime is 148389187. The next prime is 148389211. The reversal of 148389197 is 791983841.
148389197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 148389197 - 24 = 148389181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148389167) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54413 + ... + 57074.
It is an arithmetic number, because the mean of its divisors is an integer number (20402304).
Almost surely, 2148389197 is an apocalyptic number.
It is an amenable number.
148389197 is a deficient number, since it is larger than the sum of its proper divisors (14829235).
148389197 is an equidigital number, since it uses as much as digits as its factorization.
148389197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111520 (or 111498 counting only the distinct ones).
The product of its digits is 435456, while the sum is 50.
The square root of 148389197 is about 12181.5104564253. The cubic root of 148389197 is about 529.4205093838.
The spelling of 148389197 in words is "one hundred forty-eight million, three hundred eighty-nine thousand, one hundred ninety-seven".
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