Base | Representation |
---|---|
bin | 1000000011111001110001 |
3 | 10222100200100 |
4 | 20003321301 |
5 | 1020110022 |
6 | 113143013 |
7 | 23650515 |
oct | 10037161 |
9 | 3870610 |
10 | 2113137 |
11 | 12136a4 |
12 | 85aa69 |
13 | 58caa0 |
14 | 3d0145 |
15 | 2bb1ac |
hex | 203e71 |
2113137 has 12 divisors (see below), whose sum is σ = 3287284. Its totient is φ = 1300320.
The previous prime is 2113129. The next prime is 2113147. The reversal of 2113137 is 7313112.
It can be written as a sum of positive squares in 2 ways, for example, as 998001 + 1115136 = 999^2 + 1056^2 .
It is not a de Polignac number, because 2113137 - 23 = 2113129 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2113147) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8914 + ... + 9147.
22113137 is an apocalyptic number.
It is an amenable number.
2113137 is a deficient number, since it is larger than the sum of its proper divisors (1174147).
2113137 is a wasteful number, since it uses less digits than its factorization.
2113137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18080 (or 18077 counting only the distinct ones).
The product of its digits is 126, while the sum is 18.
The square root of 2113137 is about 1453.6633035198. The cubic root of 2113137 is about 128.3243928481.
Adding to 2113137 its reverse (7313112), we get a palindrome (9426249).
The spelling of 2113137 in words is "two million, one hundred thirteen thousand, one hundred thirty-seven".
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