Base | Representation |
---|---|
bin | 100010001110… |
… | …001011110001 |
3 | 121212202220000 |
4 | 202032023301 |
5 | 4244032433 |
6 | 520140213 |
7 | 136152333 |
oct | 42161361 |
9 | 17782800 |
10 | 8970993 |
11 | 5078049 |
12 | 3007669 |
13 | 1b213a5 |
14 | 1297453 |
15 | bc3113 |
hex | 88e2f1 |
8970993 has 10 divisors (see below), whose sum is σ = 13401234. Its totient is φ = 5980608.
The previous prime is 8970979. The next prime is 8971007. The reversal of 8970993 is 3990798.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (8970979) and next prime (8971007).
It can be written as a sum of positive squares in only one way, i.e., 8928144 + 42849 = 2988^2 + 207^2 .
It is not a de Polignac number, because 8970993 - 28 = 8970737 is a prime.
8970993 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (8970953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55296 + ... + 55457.
Almost surely, 28970993 is an apocalyptic number.
It is an amenable number.
8970993 is a deficient number, since it is larger than the sum of its proper divisors (4430241).
8970993 is a wasteful number, since it uses less digits than its factorization.
8970993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110765 (or 110756 counting only the distinct ones).
The product of its (nonzero) digits is 122472, while the sum is 45.
The square root of 8970993 is about 2995.1615983115. The cubic root of 8970993 is about 207.7846714540.
The spelling of 8970993 in words is "eight million, nine hundred seventy thousand, nine hundred ninety-three".
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