Base | Representation |
---|---|
bin | 100010010010… |
… | …110100010010 |
3 | 121220201220212 |
4 | 202102310102 |
5 | 4300134340 |
6 | 520404122 |
7 | 136261553 |
oct | 42226422 |
9 | 17821825 |
10 | 8989970 |
11 | 5090330 |
12 | 3016642 |
13 | 1b29c12 |
14 | 12a032a |
15 | bc8a65 |
hex | 892d12 |
8989970 has 16 divisors (see below), whose sum is σ = 17653248. Its totient is φ = 3269040.
The previous prime is 8989921. The next prime is 8989973. The reversal of 8989970 is 799898.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (8989973) 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, 40754 + ... + 40973.
It is an arithmetic number, because the mean of its divisors is an integer number (1103328).
Almost surely, 28989970 is an apocalyptic number.
8989970 is a deficient number, since it is larger than the sum of its proper divisors (8663278).
8989970 is a wasteful number, since it uses less digits than its factorization.
8989970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81745.
The product of its (nonzero) digits is 326592, while the sum is 50.
The square root of 8989970 is about 2998.3278673287. The cubic root of 8989970 is about 207.9310823205.
The spelling of 8989970 in words is "eight million, nine hundred eighty-nine thousand, nine hundred seventy".
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