Base | Representation |
---|---|
bin | 10001001111000… |
… | …010000101100101 |
3 | 202011002111212111 |
4 | 101033002011211 |
5 | 1043010402011 |
6 | 44405321021 |
7 | 10110522526 |
oct | 2117020545 |
9 | 664074774 |
10 | 289153381 |
11 | 139246240 |
12 | 80a06171 |
13 | 47ba0a9a |
14 | 2a58c84d |
15 | 1a5ba121 |
hex | 113c2165 |
289153381 has 8 divisors (see below), whose sum is σ = 332042400. Its totient is φ = 249031440.
The previous prime is 289153367. The next prime is 289153421. The reversal of 289153381 is 183351982.
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 289153381 - 25 = 289153349 is a prime.
It is a super-2 number, since 2×2891533812 = 167219355487462322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289153301) 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, 691546 + ... + 691963.
It is an arithmetic number, because the mean of its divisors is an integer number (41505300).
Almost surely, 2289153381 is an apocalyptic number.
It is an amenable number.
289153381 is a deficient number, since it is larger than the sum of its proper divisors (42889019).
289153381 is a wasteful number, since it uses less digits than its factorization.
289153381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1383539.
The product of its digits is 51840, while the sum is 40.
The square root of 289153381 is about 17004.5106074829. The cubic root of 289153381 is about 661.2658450349.
The spelling of 289153381 in words is "two hundred eighty-nine million, one hundred fifty-three thousand, three hundred eighty-one".
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