Base | Representation |
---|---|
bin | 10001101110101… |
… | …00110010001110 |
3 | 101100211210120010 |
4 | 20313110302032 |
5 | 301033031112 |
6 | 22431334050 |
7 | 3454051200 |
oct | 1067246216 |
9 | 340753503 |
10 | 148720782 |
11 | 76a49141 |
12 | 41981326 |
13 | 24a71882 |
14 | 15a74770 |
15 | d0ca63c |
hex | 8dd4c8e |
148720782 has 48 divisors (see below), whose sum is σ = 347928912. Its totient is φ = 42255360.
The previous prime is 148720757. The next prime is 148720801. The reversal of 148720782 is 287027841.
148720782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 148720782.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55432 + ... + 58052.
It is an arithmetic number, because the mean of its divisors is an integer number (7248519).
Almost surely, 2148720782 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 148720782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173964456).
148720782 is an abundant number, since it is smaller than the sum of its proper divisors (199208130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148720782 is a wasteful number, since it uses less digits than its factorization.
148720782 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2833 (or 2826 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 39.
The square root of 148720782 is about 12195.1130376065. The cubic root of 148720782 is about 529.8145571708.
The spelling of 148720782 in words is "one hundred forty-eight million, seven hundred twenty thousand, seven hundred eighty-two".
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