Base | Representation |
---|---|
bin | 1010101110000… |
… | …01011001101010 |
3 | 20021012110121020 |
4 | 11113001121222 |
5 | 141004434010 |
6 | 12531153310 |
7 | 2141213505 |
oct | 527013152 |
9 | 207173536 |
10 | 89921130 |
11 | 46838092 |
12 | 26145836 |
13 | 15825090 |
14 | bd2a13c |
15 | 7d63470 |
hex | 55c166a |
89921130 has 32 divisors (see below), whose sum is σ = 232412544. Its totient is φ = 22134336.
The previous prime is 89921119. The next prime is 89921131. The reversal of 89921130 is 3112998.
It is a junction number, because it is equal to n+sod(n) for n = 89921091 and 89921100.
It is not an unprimeable number, because it can be changed into a prime (89921131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114894 + ... + 115673.
It is an arithmetic number, because the mean of its divisors is an integer number (7262892).
Almost surely, 289921130 is an apocalyptic number.
89921130 is an abundant number, since it is smaller than the sum of its proper divisors (142491414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89921130 is a wasteful number, since it uses less digits than its factorization.
89921130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230590.
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 89921130 is about 9482.6752554329. The cubic root of 89921130 is about 448.0095295858.
The spelling of 89921130 in words is "eighty-nine million, nine hundred twenty-one thousand, one hundred thirty".
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