Base | Representation |
---|---|
bin | 11010101110111001111100 |
3 | 111012000222200 |
4 | 122232321330 |
5 | 3243222433 |
6 | 410111500 |
7 | 113365050 |
oct | 32567174 |
9 | 14160880 |
10 | 7007868 |
11 | 3a5712a |
12 | 241b590 |
13 | 15b498a |
14 | d05c60 |
15 | 936613 |
hex | 6aee7c |
7007868 has 36 divisors (see below), whose sum is σ = 20245680. Its totient is φ = 2002176.
The previous prime is 7007867. The next prime is 7007873. The reversal of 7007868 is 8687007.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×70078682 = 98220427810848, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7007867) 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, 13653 + ... + 14156.
It is an arithmetic number, because the mean of its divisors is an integer number (562380).
Almost surely, 27007868 is an apocalyptic number.
It is an amenable number.
7007868 is an abundant number, since it is smaller than the sum of its proper divisors (13237812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7007868 is a wasteful number, since it uses less digits than its factorization.
7007868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27826 (or 27821 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 36.
The square root of 7007868 is about 2647.2378057137. The cubic root of 7007868 is about 191.3647625962.
It can be divided in two parts, 7007 and 868, that added together give a triangular number (7875 = T125).
The spelling of 7007868 in words is "seven million, seven thousand, eight hundred sixty-eight".
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