Base | Representation |
---|---|
bin | 11010110001110111100111 |
3 | 111012122122021 |
4 | 122301313213 |
5 | 3244120012 |
6 | 410244011 |
7 | 113445331 |
oct | 32616747 |
9 | 14178567 |
10 | 7020007 |
11 | 3a65265 |
12 | 2426607 |
13 | 15ba367 |
14 | d0a451 |
15 | 93a007 |
hex | 6b1de7 |
7020007 has 4 divisors (see below), whose sum is σ = 7038720. Its totient is φ = 7001296.
The previous prime is 7019993. The next prime is 7020023. The reversal of 7020007 is 7000207.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7000207 = 769 ⋅9103.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7020007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7020077) 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, 8782 + ... + 9547.
It is an arithmetic number, because the mean of its divisors is an integer number (1759680).
Almost surely, 27020007 is an apocalyptic number.
7020007 is a deficient number, since it is larger than the sum of its proper divisors (18713).
7020007 is a wasteful number, since it uses less digits than its factorization.
7020007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18712.
The product of its (nonzero) digits is 98, while the sum is 16.
The square root of 7020007 is about 2649.5295808879. The cubic root of 7020007 is about 191.4751926090.
The spelling of 7020007 in words is "seven million, twenty thousand, seven".
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