Base | Representation |
---|---|
bin | 10001101010111… |
… | …10000011000111 |
3 | 101022221002102102 |
4 | 20311132003013 |
5 | 300422000224 |
6 | 22413102315 |
7 | 3446654243 |
oct | 1065360307 |
9 | 338832372 |
10 | 148234439 |
11 | 76746801 |
12 | 4178799b |
13 | 249313b2 |
14 | 15989423 |
15 | d0314ae |
hex | 8d5e0c7 |
148234439 has 4 divisors (see below), whose sum is σ = 150322320. Its totient is φ = 146146560.
The previous prime is 148234421. The next prime is 148234451. The reversal of 148234439 is 934432841.
148234439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934432841 = 83 ⋅11258227.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-148234439 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 (148294439) 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, 1043834 + ... + 1043975.
It is an arithmetic number, because the mean of its divisors is an integer number (37580580).
Almost surely, 2148234439 is an apocalyptic number.
148234439 is a deficient number, since it is larger than the sum of its proper divisors (2087881).
148234439 is an equidigital number, since it uses as much as digits as its factorization.
148234439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2087880.
The product of its digits is 82944, while the sum is 38.
The square root of 148234439 is about 12175.1566314360. The cubic root of 148234439 is about 529.2363976914.
The spelling of 148234439 in words is "one hundred forty-eight million, two hundred thirty-four thousand, four hundred thirty-nine".
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