Base | Representation |
---|---|
bin | 100010001110… |
… | …101001110001 |
3 | 121212212112010 |
4 | 202032221301 |
5 | 4244113123 |
6 | 520153133 |
7 | 136161045 |
oct | 42165161 |
9 | 17785463 |
10 | 8972913 |
11 | 5079534 |
12 | 30087a9 |
13 | 1b22221 |
14 | 1298025 |
15 | bc3993 |
hex | 88ea71 |
8972913 has 8 divisors (see below), whose sum is σ = 12076128. Its totient is φ = 5925824.
The previous prime is 8972903. The next prime is 8972933. The reversal of 8972913 is 3192798.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8972913 - 26 = 8972849 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8972903) 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 7 ways as a sum of consecutive naturals, for example, 13656 + ... + 14297.
It is an arithmetic number, because the mean of its divisors is an integer number (1509516).
Almost surely, 28972913 is an apocalyptic number.
It is an amenable number.
8972913 is a deficient number, since it is larger than the sum of its proper divisors (3103215).
8972913 is a wasteful number, since it uses less digits than its factorization.
8972913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28063.
The product of its digits is 27216, while the sum is 39.
The square root of 8972913 is about 2995.4820980937. The cubic root of 8972913 is about 207.7994939719.
The spelling of 8972913 in words is "eight million, nine hundred seventy-two thousand, nine hundred thirteen".
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