Base | Representation |
---|---|
bin | 11110001110000111100100 |
3 | 112220111010220 |
4 | 132032013210 |
5 | 4012002043 |
6 | 441444340 |
7 | 124223433 |
oct | 36160744 |
9 | 15814126 |
10 | 7922148 |
11 | 4521033 |
12 | 27a06b0 |
13 | 1844b80 |
14 | 10a311a |
15 | a67483 |
hex | 78e1e4 |
7922148 has 48 divisors (see below), whose sum is σ = 20387136. Its totient is φ = 2378880.
The previous prime is 7922141. The next prime is 7922149. The reversal of 7922148 is 8412297.
It is a happy number.
7922148 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (7922141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6118 + ... + 7298.
It is an arithmetic number, because the mean of its divisors is an integer number (424732).
Almost surely, 27922148 is an apocalyptic number.
7922148 is a gapful number since it is divisible by the number (78) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7922148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10193568).
7922148 is an abundant number, since it is smaller than the sum of its proper divisors (12464988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7922148 is a wasteful number, since it uses less digits than its factorization.
7922148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1244 (or 1242 counting only the distinct ones).
The product of its digits is 8064, while the sum is 33.
The square root of 7922148 is about 2814.6310593042. The cubic root of 7922148 is about 199.3491173904.
The spelling of 7922148 in words is "seven million, nine hundred twenty-two thousand, one hundred forty-eight".
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