Base | Representation |
---|---|
bin | 11011101010001000000000 |
3 | 111122100201112 |
4 | 123222020000 |
5 | 3324003212 |
6 | 415222452 |
7 | 115425200 |
oct | 33521000 |
9 | 14570645 |
10 | 7250432 |
11 | 41023a2 |
12 | 2517a28 |
13 | 166b1c7 |
14 | d6a400 |
15 | 983422 |
hex | 6ea200 |
7250432 has 90 divisors (see below), whose sum is σ = 17901477. Its totient is φ = 2924544.
The previous prime is 7250429. The next prime is 7250491. The reversal of 7250432 is 2340527.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 6635776 + 614656 = 2576^2 + 784^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=1904.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7250398 and 7250407.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 426488 + ... + 426504.
Almost surely, 27250432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7250432
7250432 is an abundant number, since it is smaller than the sum of its proper divisors (10651045).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7250432 is an equidigital number, since it uses as much as digits as its factorization.
7250432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66 (or 26 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 23.
The square root of 7250432 is about 2692.6626227584. The cubic root of 7250432 is about 193.5476761360.
Adding to 7250432 its reverse (2340527), we get a palindrome (9590959).
The spelling of 7250432 in words is "seven million, two hundred fifty thousand, four hundred thirty-two".
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