Base | Representation |
---|---|
bin | 1010100111110… |
… | …01011100101001 |
3 | 20012122212010120 |
4 | 11103321130221 |
5 | 140302231441 |
6 | 12501433453 |
7 | 2131232643 |
oct | 523713451 |
9 | 205585116 |
10 | 89102121 |
11 | 46328819 |
12 | 25a0b889 |
13 | 155c9364 |
14 | bb95893 |
15 | 7c50966 |
hex | 54f9729 |
89102121 has 8 divisors (see below), whose sum is σ = 120430560. Its totient is φ = 58587552.
The previous prime is 89102119. The next prime is 89102147. The reversal of 89102121 is 12120198.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 89102121 - 21 = 89102119 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 89102091 and 89102100.
It is not an unprimeable number, because it can be changed into a prime (89102021) 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, 203211 + ... + 203648.
It is an arithmetic number, because the mean of its divisors is an integer number (15053820).
Almost surely, 289102121 is an apocalyptic number.
It is an amenable number.
89102121 is a deficient number, since it is larger than the sum of its proper divisors (31328439).
89102121 is a wasteful number, since it uses less digits than its factorization.
89102121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 406935.
The product of its (nonzero) digits is 288, while the sum is 24.
The square root of 89102121 is about 9439.3919825379. The cubic root of 89102121 is about 446.6452099170.
The spelling of 89102121 in words is "eighty-nine million, one hundred two thousand, one hundred twenty-one".
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