Base | Representation |
---|---|
bin | 11111100011110001011101 |
3 | 120120022102000 |
4 | 133203301131 |
5 | 4104213424 |
6 | 453152513 |
7 | 130214334 |
oct | 37436135 |
9 | 16508360 |
10 | 8272989 |
11 | 474068a |
12 | 292b739 |
13 | 193877a |
14 | 1154d1b |
15 | ad63c9 |
hex | 7e3c5d |
8272989 has 8 divisors (see below), whose sum is σ = 12256320. Its totient is φ = 5515308.
The previous prime is 8272973. The next prime is 8272997. The reversal of 8272989 is 9892728.
It is not a de Polignac number, because 8272989 - 24 = 8272973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8272909) 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, 153177 + ... + 153230.
It is an arithmetic number, because the mean of its divisors is an integer number (1532040).
Almost surely, 28272989 is an apocalyptic number.
It is an amenable number.
8272989 is a deficient number, since it is larger than the sum of its proper divisors (3983331).
8272989 is a wasteful number, since it uses less digits than its factorization.
8272989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 306416 (or 306410 counting only the distinct ones).
The product of its digits is 145152, while the sum is 45.
The square root of 8272989 is about 2876.2804105302. The cubic root of 8272989 is about 202.2495119531.
It can be divided in two parts, 8272 and 989, that added together give a cube (9261 = 213).
The spelling of 8272989 in words is "eight million, two hundred seventy-two thousand, nine hundred eighty-nine".
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