Base | Representation |
---|---|
bin | 11100010100111011001010 |
3 | 111222021012100 |
4 | 130110323022 |
5 | 3400110423 |
6 | 423054230 |
7 | 120055245 |
oct | 34247312 |
9 | 14867170 |
10 | 7425738 |
11 | 4212081 |
12 | 25a1376 |
13 | 16ccc38 |
14 | db425c |
15 | 9ba343 |
hex | 714eca |
7425738 has 24 divisors (see below), whose sum is σ = 16258788. Its totient is φ = 2449152.
The previous prime is 7425731. The next prime is 7425739. The reversal of 7425738 is 8375247.
7425738 is digitally balanced in base 4, 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 6953769 + 471969 = 2637^2 + 687^2 .
It is a d-powerful number, because it can be written as 72 + 48 + 29 + 5 + 78 + 313 + 83 .
It is not an unprimeable number, because it can be changed into a prime (7425731) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381 + ... + 3872.
Almost surely, 27425738 is an apocalyptic number.
7425738 is an abundant number, since it is smaller than the sum of its proper divisors (8833050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7425738 is a wasteful number, since it uses less digits than its factorization.
7425738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4358 (or 4355 counting only the distinct ones).
The product of its digits is 47040, while the sum is 36.
The square root of 7425738 is about 2725.0207338661. The cubic root of 7425738 is about 195.0951803589.
The spelling of 7425738 in words is "seven million, four hundred twenty-five thousand, seven hundred thirty-eight".
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