| Base | Representation |
|---|---|
| bin | 1010101100111… |
| … | …00110000100000 |
| 3 | 20020220211201100 |
| 4 | 11112130300200 |
| 5 | 140440133130 |
| 6 | 12524034400 |
| 7 | 2140020102 |
| oct | 526346040 |
| 9 | 206824640 |
| 10 | 89771040 |
| 11 | 46745347 |
| 12 | 26092a00 |
| 13 | 157a1978 |
| 14 | bccb572 |
| 15 | 7d33c60 |
| hex | 559cc20 |
89771040 has 144 divisors (see below), whose sum is σ = 316382976. Its totient is φ = 23155200.
The previous prime is 89771039. The next prime is 89771041. The reversal of 89771040 is 4017798.
It is an interprime number because it is at equal distance from previous prime (89771039) and next prime (89771041).
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 89770986 and 89771004.
It is not an unprimeable number, because it can be changed into a prime (89771041) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 43635 + ... + 45645.
It is an arithmetic number, because the mean of its divisors is an integer number (2197104).
Almost surely, 289771040 is an apocalyptic number.
89771040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89771040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158191488).
89771040 is an abundant number, since it is smaller than the sum of its proper divisors (226611936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89771040 is a wasteful number, since it uses less digits than its factorization.
89771040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2063 (or 2052 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 36.
The square root of 89771040 is about 9474.7580444041. The cubic root of 89771040 is about 447.7601288174.
The spelling of 89771040 in words is "eighty-nine million, seven hundred seventy-one thousand, forty".
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