Base | Representation |
---|---|
bin | 1010100111001… |
… | …00100001100100 |
3 | 20012111111120110 |
4 | 11103210201210 |
5 | 140242011140 |
6 | 12455533020 |
7 | 2130425043 |
oct | 523444144 |
9 | 205444513 |
10 | 89016420 |
11 | 4627a399 |
12 | 2598a170 |
13 | 1559934c |
14 | bb7255a |
15 | 7c35380 |
hex | 54e4864 |
89016420 has 96 divisors (see below), whose sum is σ = 265845888. Its totient is φ = 22177792.
The previous prime is 89016409. The next prime is 89016439. The reversal of 89016420 is 2461098.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200719 + ... + 201161.
It is an arithmetic number, because the mean of its divisors is an integer number (2769228).
Almost surely, 289016420 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89016420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132922944).
89016420 is an abundant number, since it is smaller than the sum of its proper divisors (176829468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89016420 is a wasteful number, since it uses less digits than its factorization.
89016420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 669 (or 667 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 89016420 is about 9434.8513501804. The cubic root of 89016420 is about 446.5019652163.
The spelling of 89016420 in words is "eighty-nine million, sixteen thousand, four hundred twenty".
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