Base | Representation |
---|---|
bin | 1010101000111… |
… | …11011011000101 |
3 | 20012221202111121 |
4 | 11110133123011 |
5 | 140322221134 |
6 | 12505033541 |
7 | 2132451304 |
oct | 524373305 |
9 | 205852447 |
10 | 89257669 |
11 | 46424676 |
12 | 25a858b1 |
13 | 156520b7 |
14 | bbd643b |
15 | 7c81ab4 |
hex | 551f6c5 |
89257669 has 4 divisors (see below), whose sum is σ = 89706400. Its totient is φ = 88808940.
The previous prime is 89257661. The next prime is 89257673. The reversal of 89257669 is 96675298.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 89257669 - 23 = 89257661 is a prime.
It is a super-3 number, since 3×892576693 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89257661) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224067 + ... + 224464.
It is an arithmetic number, because the mean of its divisors is an integer number (22426600).
Almost surely, 289257669 is an apocalyptic number.
It is an amenable number.
89257669 is a deficient number, since it is larger than the sum of its proper divisors (448731).
89257669 is a wasteful number, since it uses less digits than its factorization.
89257669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 448730.
The product of its digits is 1632960, while the sum is 52.
The square root of 89257669 is about 9447.6276916483. The cubic root of 89257669 is about 446.9049657249.
The spelling of 89257669 in words is "eighty-nine million, two hundred fifty-seven thousand, six hundred sixty-nine".
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