Base | Representation |
---|---|
bin | 1010101010111… |
… | …00010000011101 |
3 | 20020102102022100 |
4 | 11111130100131 |
5 | 140403204340 |
6 | 12514235313 |
7 | 2134536621 |
oct | 525342035 |
9 | 206372270 |
10 | 89506845 |
11 | 465848aa |
12 | 25b85b39 |
13 | 1570b63c |
14 | bc5d181 |
15 | 7cd0830 |
hex | 555c41d |
89506845 has 24 divisors (see below), whose sum is σ = 155499552. Its totient is φ = 47628000.
The previous prime is 89506831. The next prime is 89506849. The reversal of 89506845 is 54860598.
It is not a de Polignac number, because 89506845 - 24 = 89506829 is a prime.
It is a super-2 number, since 2×895068452 = 16022950603708050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 89506845.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89506849) 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 23 ways as a sum of consecutive naturals, for example, 20070 + ... + 24120.
It is an arithmetic number, because the mean of its divisors is an integer number (6479148).
Almost surely, 289506845 is an apocalyptic number.
It is an amenable number.
89506845 is a deficient number, since it is larger than the sum of its proper divisors (65992707).
89506845 is a wasteful number, since it uses less digits than its factorization.
89506845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4553 (or 4550 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 45.
The square root of 89506845 is about 9460.8057267867. The cubic root of 89506845 is about 447.3204464685.
The spelling of 89506845 in words is "eighty-nine million, five hundred six thousand, eight hundred forty-five".
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