Base | Representation |
---|---|
bin | 11010110000011000001001 |
3 | 111012100020222 |
4 | 122300120021 |
5 | 3243421042 |
6 | 410155425 |
7 | 113421452 |
oct | 32603011 |
9 | 14170228 |
10 | 7013897 |
11 | 3a60710 |
12 | 2422b75 |
13 | 15b7647 |
14 | d08129 |
15 | 9382d2 |
hex | 6b0609 |
7013897 has 4 divisors (see below), whose sum is σ = 7651536. Its totient is φ = 6376260.
The previous prime is 7013887. The next prime is 7013899. The reversal of 7013897 is 7983107.
7013897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7983107 = 11 ⋅725737.
It is not a de Polignac number, because 7013897 - 212 = 7009801 is a prime.
It is a super-2 number, since 2×70138972 = 98389502253218, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7013899) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318803 + ... + 318824.
It is an arithmetic number, because the mean of its divisors is an integer number (1912884).
Almost surely, 27013897 is an apocalyptic number.
It is an amenable number.
7013897 is a deficient number, since it is larger than the sum of its proper divisors (637639).
7013897 is a wasteful number, since it uses less digits than its factorization.
7013897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 637638.
The product of its (nonzero) digits is 10584, while the sum is 35.
The square root of 7013897 is about 2648.3762950155. The cubic root of 7013897 is about 191.4196250951.
The spelling of 7013897 in words is "seven million, thirteen thousand, eight hundred ninety-seven".
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