Base | Representation |
---|---|
bin | 11010110000010011111111 |
3 | 111012022220010 |
4 | 122300103333 |
5 | 3243414011 |
6 | 410154303 |
7 | 113420622 |
oct | 32602377 |
9 | 14168803 |
10 | 7013631 |
11 | 3a60499 |
12 | 2422993 |
13 | 15b74a1 |
14 | d07db9 |
15 | 9381a6 |
hex | 6b04ff |
7013631 has 8 divisors (see below), whose sum is σ = 9363760. Its totient is φ = 4669632.
The previous prime is 7013623. The next prime is 7013653. The reversal of 7013631 is 1363107.
7013631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7013631 - 23 = 7013623 is a prime.
It is a super-2 number, since 2×70136312 = 98382039608322, which contains 22 as substring.
It is a Duffinian number.
7013631 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 7013598 and 7013607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7013131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555 + ... + 5163.
It is an arithmetic number, because the mean of its divisors is an integer number (1170470).
Almost surely, 27013631 is an apocalyptic number.
7013631 is a deficient number, since it is larger than the sum of its proper divisors (2350129).
7013631 is a wasteful number, since it uses less digits than its factorization.
7013631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3065.
The product of its (nonzero) digits is 378, while the sum is 21.
The square root of 7013631 is about 2648.3260750897. The cubic root of 7013631 is about 191.4172052200.
Adding to 7013631 its reverse (1363107), we get a palindrome (8376738).
The spelling of 7013631 in words is "seven million, thirteen thousand, six hundred thirty-one".
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