Base | Representation |
---|---|
bin | 100000010100… |
… | …100110100001 |
3 | 120221110202120 |
4 | 200110212201 |
5 | 4132113433 |
6 | 501334453 |
7 | 132006414 |
oct | 40244641 |
9 | 16843676 |
10 | 8472993 |
11 | 4867981 |
12 | 2a07429 |
13 | 19a8809 |
14 | 11a7b7b |
15 | b257b3 |
hex | 8149a1 |
8472993 has 24 divisors (see below), whose sum is σ = 12475680. Its totient is φ = 5100480.
The previous prime is 8472983. The next prime is 8473001. The reversal of 8472993 is 3992748.
It is not a de Polignac number, because 8472993 - 24 = 8472977 is a prime.
It is a super-2 number, since 2×84729932 = 143583220756098, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8472923) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30013 + ... + 30293.
It is an arithmetic number, because the mean of its divisors is an integer number (519820).
Almost surely, 28472993 is an apocalyptic number.
It is an amenable number.
8472993 is a deficient number, since it is larger than the sum of its proper divisors (4002687).
8472993 is a wasteful number, since it uses less digits than its factorization.
8472993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349 (or 326 counting only the distinct ones).
The product of its digits is 108864, while the sum is 42.
The square root of 8472993 is about 2910.8406002390. The cubic root of 8472993 is about 203.8663821279.
The spelling of 8472993 in words is "eight million, four hundred seventy-two thousand, nine hundred ninety-three".
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