Base | Representation |
---|---|
bin | 11110100011000011111010 |
3 | 120001211211000 |
4 | 132203003322 |
5 | 4022223210 |
6 | 443345430 |
7 | 125031510 |
oct | 36430372 |
9 | 16054730 |
10 | 8007930 |
11 | 457a527 |
12 | 2822276 |
13 | 1874c28 |
14 | 10c64b0 |
15 | a82ac0 |
hex | 7a30fa |
8007930 has 128 divisors (see below), whose sum is σ = 25804800. Its totient is φ = 1726272.
The previous prime is 8007917. The next prime is 8007931. The reversal of 8007930 is 397008.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 8007894 and 8007903.
It is not an unprimeable number, because it can be changed into a prime (8007931) 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 63 ways as a sum of consecutive naturals, for example, 35799 + ... + 36021.
It is an arithmetic number, because the mean of its divisors is an integer number (201600).
Almost surely, 28007930 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8007930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12902400).
8007930 is an abundant number, since it is smaller than the sum of its proper divisors (17796870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8007930 is a wasteful number, since it uses less digits than its factorization.
8007930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265 (or 259 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 8007930 is about 2829.8286167187. The cubic root of 8007930 is about 200.0660615103.
The spelling of 8007930 in words is "eight million, seven thousand, nine hundred thirty".
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