Base | Representation |
---|---|
bin | 11100101101010000100101 |
3 | 112011022221000 |
4 | 130231100211 |
5 | 3411303123 |
6 | 425143513 |
7 | 120651660 |
oct | 34552045 |
9 | 15138830 |
10 | 7525413 |
11 | 427aa55 |
12 | 262ab99 |
13 | 173640c |
14 | ddc6d7 |
15 | 9d9b43 |
hex | 72d425 |
7525413 has 32 divisors (see below), whose sum is σ = 13190400. Its totient is φ = 4148928.
The previous prime is 7525411. The next prime is 7525423. The reversal of 7525413 is 3145257.
It is a happy number.
7525413 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 7525413 - 21 = 7525411 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7525411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4795 + ... + 6167.
It is an arithmetic number, because the mean of its divisors is an integer number (412200).
Almost surely, 27525413 is an apocalyptic number.
It is an amenable number.
7525413 is a deficient number, since it is larger than the sum of its proper divisors (5664987).
7525413 is a wasteful number, since it uses less digits than its factorization.
7525413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1418 (or 1412 counting only the distinct ones).
The product of its digits is 4200, while the sum is 27.
The square root of 7525413 is about 2743.2486216163. The cubic root of 7525413 is about 195.9642184439.
The spelling of 7525413 in words is "seven million, five hundred twenty-five thousand, four hundred thirteen".
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