Base | Representation |
---|---|
bin | 11010101110101001100100 |
3 | 111011222112212 |
4 | 122232221210 |
5 | 3243204240 |
6 | 410102552 |
7 | 113362022 |
oct | 32565144 |
9 | 14158485 |
10 | 7006820 |
11 | 3a56367 |
12 | 241aa58 |
13 | 15b4362 |
14 | d05712 |
15 | 936165 |
hex | 6aea64 |
7006820 has 24 divisors (see below), whose sum is σ = 15489600. Its totient is φ = 2655072.
The previous prime is 7006817. The next prime is 7006823. The reversal of 7006820 is 286007.
It is an interprime number because it is at equal distance from previous prime (7006817) and next prime (7006823).
It is not an unprimeable number, because it can be changed into a prime (7006823) 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, 8840 + ... + 9599.
It is an arithmetic number, because the mean of its divisors is an integer number (645400).
Almost surely, 27006820 is an apocalyptic number.
It is an amenable number.
7006820 is an abundant number, since it is smaller than the sum of its proper divisors (8482780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7006820 is a wasteful number, since it uses less digits than its factorization.
7006820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18467 (or 18465 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 7006820 is about 2647.0398561412. The cubic root of 7006820 is about 191.3552228299.
The spelling of 7006820 in words is "seven million, six thousand, eight hundred twenty".
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