Base | Representation |
---|---|
bin | 11010111110101100000001 |
3 | 111022022122221 |
4 | 122332230001 |
5 | 3302310023 |
6 | 411331041 |
7 | 114054400 |
oct | 32765401 |
9 | 14268587 |
10 | 7072513 |
11 | 3aa0758 |
12 | 2450a81 |
13 | 1608226 |
14 | d21637 |
15 | 94a85d |
hex | 6beb01 |
7072513 has 24 divisors (see below), whose sum is σ = 8733312. Its totient is φ = 5703264.
The previous prime is 7072501. The next prime is 7072517. The reversal of 7072513 is 3152707.
7072513 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-7072513 is a prime.
7072513 is strictly pandigital in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7072517) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85170 + ... + 85252.
It is an arithmetic number, because the mean of its divisors is an integer number (363888).
Almost surely, 27072513 is an apocalyptic number.
It is an amenable number.
7072513 is a deficient number, since it is larger than the sum of its proper divisors (1660799).
7072513 is a wasteful number, since it uses less digits than its factorization.
7072513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181 (or 174 counting only the distinct ones).
The product of its (nonzero) digits is 1470, while the sum is 25.
The square root of 7072513 is about 2659.4196735378. The cubic root of 7072513 is about 191.9513856230.
The spelling of 7072513 in words is "seven million, seventy-two thousand, five hundred thirteen".
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