Base | Representation |
---|---|
bin | 100000010100… |
… | …100101010001 |
3 | 120221110122121 |
4 | 200110211101 |
5 | 4132113123 |
6 | 501334241 |
7 | 132006241 |
oct | 40244521 |
9 | 16843577 |
10 | 8472913 |
11 | 4867909 |
12 | 2a07381 |
13 | 19a8777 |
14 | 11a7b21 |
15 | b2575d |
hex | 814951 |
8472913 has 4 divisors (see below), whose sum is σ = 8479600. Its totient is φ = 8466228.
The previous prime is 8472911. The next prime is 8472923. The reversal of 8472913 is 3192748.
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, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 8472913 - 21 = 8472911 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8472911) 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, 795 + ... + 4192.
It is an arithmetic number, because the mean of its divisors is an integer number (2119900).
Almost surely, 28472913 is an apocalyptic number.
It is an amenable number.
8472913 is a deficient number, since it is larger than the sum of its proper divisors (6687).
8472913 is a wasteful number, since it uses less digits than its factorization.
8472913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6686.
The product of its digits is 12096, while the sum is 34.
The square root of 8472913 is about 2910.8268584717. The cubic root of 8472913 is about 203.8657405064.
The spelling of 8472913 in words is "eight million, four hundred seventy-two thousand, nine hundred thirteen".
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