Base | Representation |
---|---|
bin | 100010001110… |
… | …100101100010 |
3 | 121212212011002 |
4 | 202032211202 |
5 | 4244111032 |
6 | 520152002 |
7 | 136160210 |
oct | 42164542 |
9 | 17785132 |
10 | 8972642 |
11 | 5079308 |
12 | 3008602 |
13 | 1b22073 |
14 | 1297cb0 |
15 | bc3862 |
hex | 88e962 |
8972642 has 16 divisors (see below), whose sum is σ = 15429120. Its totient is φ = 3833568.
The previous prime is 8972627. The next prime is 8972647. The reversal of 8972642 is 2462798.
It is a junction number, because it is equal to n+sod(n) for n = 8972596 and 8972605.
It is not an unprimeable number, because it can be changed into a prime (8972647) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4943 + ... + 6509.
It is an arithmetic number, because the mean of its divisors is an integer number (964320).
Almost surely, 28972642 is an apocalyptic number.
8972642 is a deficient number, since it is larger than the sum of its proper divisors (6456478).
8972642 is a wasteful number, since it uses less digits than its factorization.
8972642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1985.
The product of its digits is 48384, while the sum is 38.
The square root of 8972642 is about 2995.4368629634. The cubic root of 8972642 is about 207.7974019634.
The spelling of 8972642 in words is "eight million, nine hundred seventy-two thousand, six hundred forty-two".
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