Base | Representation |
---|---|
bin | 11110100001001000000111 |
3 | 120001102221120 |
4 | 132201020013 |
5 | 4022000012 |
6 | 443245023 |
7 | 124666431 |
oct | 36411007 |
9 | 16042846 |
10 | 8000007 |
11 | 4574584 |
12 | 2819773 |
13 | 1871442 |
14 | 10c3651 |
15 | a8058c |
hex | 7a1207 |
8000007 has 8 divisors (see below), whose sum is σ = 11228160. Its totient is φ = 5052600.
The previous prime is 7999993. The next prime is 8000009. The reversal of 8000007 is 7000008.
8000007 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8000007 - 211 = 7997959 is a prime.
It is a super-2 number, since 2×80000072 = 128000224000098, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 8000007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8000009) 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, 70119 + ... + 70232.
It is an arithmetic number, because the mean of its divisors is an integer number (1403520).
Almost surely, 28000007 is an apocalyptic number.
8000007 is a deficient number, since it is larger than the sum of its proper divisors (3228153).
8000007 is a wasteful number, since it uses less digits than its factorization.
8000007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140373.
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 8000007 is about 2828.4283621828. The cubic root of 8000007 is about 200.0000583333. Note that the first 4 decimals are identical.
Subtracting from 8000007 its reverse (7000008), we obtain a palindrome (999999).
The spelling of 8000007 in words is "eight million, seven", and thus it is an aban number and an uban number.
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