Base | Representation |
---|---|
bin | 100010010100… |
… | …000101011001 |
3 | 121221000001010 |
4 | 202110011121 |
5 | 4300321121 |
6 | 520444133 |
7 | 136312650 |
oct | 42240531 |
9 | 17830033 |
10 | 8995161 |
11 | 509421a |
12 | 3019649 |
13 | 1b2c3a6 |
14 | 12a2197 |
15 | bca376 |
hex | 894159 |
8995161 has 16 divisors (see below), whose sum is σ = 13845888. Its totient is φ = 5088000.
The previous prime is 8995123. The next prime is 8995163. The reversal of 8995161 is 1615998.
8995161 is a nontrivial binomial coefficient, being equal to C(4242, 2).
It is not a de Polignac number, because 8995161 - 26 = 8995097 is a prime.
8995161 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (8995163) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 4241.
It is an arithmetic number, because the mean of its divisors is an integer number (865368).
Almost surely, 28995161 is an apocalyptic number.
8995161 is the 4241-st triangular number and also the 2121-st hexagonal number.
It is an amenable number.
8995161 is a deficient number, since it is larger than the sum of its proper divisors (4850727).
8995161 is a wasteful number, since it uses less digits than its factorization.
8995161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4352.
The product of its digits is 19440, while the sum is 39.
The square root of 8995161 is about 2999.1933915638. The cubic root of 8995161 is about 207.9710958973.
The spelling of 8995161 in words is "eight million, nine hundred ninety-five thousand, one hundred sixty-one".
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