Base | Representation |
---|---|
bin | 11011101010000001010001 |
3 | 111122100010120 |
4 | 123222001101 |
5 | 3324000001 |
6 | 415220453 |
7 | 115424013 |
oct | 33520121 |
9 | 14570116 |
10 | 7250001 |
11 | 4102040 |
12 | 2517729 |
13 | 166ac55 |
14 | d6a1b3 |
15 | 983236 |
hex | 6ea051 |
7250001 has 32 divisors (see below), whose sum is σ = 11489280. Its totient is φ = 4017600.
The previous prime is 7249997. The next prime is 7250011. The reversal of 7250001 is 1000527.
It is a happy number.
It is not a de Polignac number, because 7250001 - 22 = 7249997 is a prime.
7250001 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (7250011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19251 + ... + 19623.
It is an arithmetic number, because the mean of its divisors is an integer number (359040).
Almost surely, 27250001 is an apocalyptic number.
It is an amenable number.
7250001 is a deficient number, since it is larger than the sum of its proper divisors (4239279).
7250001 is a wasteful number, since it uses less digits than its factorization.
7250001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 437.
The product of its (nonzero) digits is 70, while the sum is 15.
The square root of 7250001 is about 2692.5825892626. The cubic root of 7250001 is about 193.5438409300.
Adding to 7250001 its reverse (1000527), we get a palindrome (8250528).
The spelling of 7250001 in words is "seven million, two hundred fifty thousand, one".
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