Base | Representation |
---|---|
bin | 11110111011011110001001 |
3 | 120020220222002 |
4 | 132323132021 |
5 | 4033423123 |
6 | 445440345 |
7 | 125626142 |
oct | 36733611 |
9 | 16226862 |
10 | 8107913 |
11 | 4638660 |
12 | 28700b5 |
13 | 18ab5a8 |
14 | 1110ac9 |
15 | aa2528 |
hex | 7bb789 |
8107913 has 4 divisors (see below), whose sum is σ = 8845008. Its totient is φ = 7370820.
The previous prime is 8107903. The next prime is 8107919. The reversal of 8107913 is 3197018.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 8107913 - 212 = 8103817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8107919) 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, 368531 + ... + 368552.
It is an arithmetic number, because the mean of its divisors is an integer number (2211252).
Almost surely, 28107913 is an apocalyptic number.
It is an amenable number.
8107913 is a deficient number, since it is larger than the sum of its proper divisors (737095).
8107913 is a wasteful number, since it uses less digits than its factorization.
8107913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 737094.
The product of its (nonzero) digits is 1512, while the sum is 29.
The square root of 8107913 is about 2847.4397271935. The cubic root of 8107913 is about 200.8952615542.
The spelling of 8107913 in words is "eight million, one hundred seven thousand, nine hundred thirteen".
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