Base | Representation |
---|---|
bin | 1010100111011… |
… | …01000011111101 |
3 | 20012120021112121 |
4 | 11103231003331 |
5 | 140244121024 |
6 | 12500402541 |
7 | 2130632020 |
oct | 523550375 |
9 | 205507477 |
10 | 89051389 |
11 | 462a3699 |
12 | 259a6451 |
13 | 155ac23b |
14 | bb811b7 |
15 | 7c408e4 |
hex | 54ed0fd |
89051389 has 8 divisors (see below), whose sum is σ = 107759808. Its totient is φ = 71839680.
The previous prime is 89051387. The next prime is 89051393. The reversal of 89051389 is 98315098.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 89051389 - 21 = 89051387 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89051383) 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, 374047 + ... + 374284.
It is an arithmetic number, because the mean of its divisors is an integer number (13469976).
Almost surely, 289051389 is an apocalyptic number.
It is an amenable number.
89051389 is a deficient number, since it is larger than the sum of its proper divisors (18708419).
89051389 is a wasteful number, since it uses less digits than its factorization.
89051389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 748355.
The product of its (nonzero) digits is 77760, while the sum is 43.
The square root of 89051389 is about 9436.7043505665. The cubic root of 89051389 is about 446.5604251540.
The spelling of 89051389 in words is "eighty-nine million, fifty-one thousand, three hundred eighty-nine".
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