Base | Representation |
---|---|
bin | 11010110001111001101001 |
3 | 111012122211002 |
4 | 122301321221 |
5 | 3244121022 |
6 | 410244345 |
7 | 113445605 |
oct | 32617151 |
9 | 14178732 |
10 | 7020137 |
11 | 3a65373 |
12 | 24266b5 |
13 | 15ba437 |
14 | d0a505 |
15 | 93a092 |
hex | 6b1e69 |
7020137 has 4 divisors (see below), whose sum is σ = 7183440. Its totient is φ = 6856836.
The previous prime is 7020131. The next prime is 7020161. The reversal of 7020137 is 7310207.
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: 7310207 = 839 ⋅8713.
It is a cyclic number.
It is not a de Polignac number, because 7020137 - 26 = 7020073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7020131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81587 + ... + 81672.
It is an arithmetic number, because the mean of its divisors is an integer number (1795860).
Almost surely, 27020137 is an apocalyptic number.
It is an amenable number.
7020137 is a deficient number, since it is larger than the sum of its proper divisors (163303).
7020137 is a wasteful number, since it uses less digits than its factorization.
7020137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163302.
The product of its (nonzero) digits is 294, while the sum is 20.
The square root of 7020137 is about 2649.5541134312. The cubic root of 7020137 is about 191.4763745461.
The spelling of 7020137 in words is "seven million, twenty thousand, one hundred thirty-seven".
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