Base | Representation |
---|---|
bin | 10001101100101… |
… | …00101110110111 |
3 | 101100100110200010 |
4 | 20312110232313 |
5 | 301001132143 |
6 | 22421551303 |
7 | 3451606251 |
oct | 1066245667 |
9 | 340313603 |
10 | 148458423 |
11 | 7688a013 |
12 | 41875533 |
13 | 249ac329 |
14 | 15a06cd1 |
15 | d077a33 |
hex | 8d94bb7 |
148458423 has 4 divisors (see below), whose sum is σ = 197944568. Its totient is φ = 98972280.
The previous prime is 148458397. The next prime is 148458437. The reversal of 148458423 is 324854841.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324854841 = 3 ⋅108284947.
It is not a de Polignac number, because 148458423 - 216 = 148392887 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 (148458463) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24743068 + ... + 24743073.
It is an arithmetic number, because the mean of its divisors is an integer number (49486142).
Almost surely, 2148458423 is an apocalyptic number.
148458423 is a deficient number, since it is larger than the sum of its proper divisors (49486145).
148458423 is an equidigital number, since it uses as much as digits as its factorization.
148458423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49486144.
The product of its digits is 122880, while the sum is 39.
The square root of 148458423 is about 12184.3515625576. The cubic root of 148458423 is about 529.5028243752.
The spelling of 148458423 in words is "one hundred forty-eight million, four hundred fifty-eight thousand, four hundred twenty-three".
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