Base | Representation |
---|---|
bin | 10001101110011… |
… | …01001000110010 |
3 | 101100210012120222 |
4 | 20313031020302 |
5 | 301031030313 |
6 | 22430533042 |
7 | 3453560651 |
oct | 1067151062 |
9 | 340705528 |
10 | 148689458 |
11 | 76a27655 |
12 | 41967182 |
13 | 24a60538 |
14 | 15a67198 |
15 | d0c1208 |
hex | 8dcd232 |
148689458 has 8 divisors (see below), whose sum is σ = 229062252. Its totient is φ = 72335376.
The previous prime is 148689451. The next prime is 148689469. The reversal of 148689458 is 854986841.
It is a happy number.
148689458 is digitally balanced in base 3, 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 2 ways, for example, as 147792649 + 896809 = 12157^2 + 947^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (148689451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004585 + ... + 1004732.
Almost surely, 2148689458 is an apocalyptic number.
148689458 is a deficient number, since it is larger than the sum of its proper divisors (80372794).
148689458 is a wasteful number, since it uses less digits than its factorization.
148689458 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2009356.
The product of its digits is 2211840, while the sum is 53.
The square root of 148689458 is about 12193.8286850357. The cubic root of 148689458 is about 529.7773575356. Note that the first 3 decimals are identical.
The spelling of 148689458 in words is "one hundred forty-eight million, six hundred eighty-nine thousand, four hundred fifty-eight".
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