Base | Representation |
---|---|
bin | 1010101110001… |
… | …11011010011000 |
3 | 20021020201101011 |
4 | 11113013122120 |
5 | 141011231002 |
6 | 12531503304 |
7 | 2141345341 |
oct | 527073230 |
9 | 207221334 |
10 | 89945752 |
11 | 46854636 |
12 | 26157b34 |
13 | 15833350 |
14 | bd350c8 |
15 | 7d6a8d7 |
hex | 55c7698 |
89945752 has 32 divisors (see below), whose sum is σ = 183440880. Its totient is φ = 41097600.
The previous prime is 89945743. The next prime is 89945767. The reversal of 89945752 is 25754998.
It is a junction number, because it is equal to n+sod(n) for n = 89945696 and 89945705.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6223 + ... + 14785.
Almost surely, 289945752 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 89945752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91720440).
89945752 is an abundant number, since it is smaller than the sum of its proper divisors (93495128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89945752 is a wasteful number, since it uses less digits than its factorization.
89945752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8683 (or 8679 counting only the distinct ones).
The product of its digits is 907200, while the sum is 49.
The square root of 89945752 is about 9483.9734288957. The cubic root of 89945752 is about 448.0504168388.
The spelling of 89945752 in words is "eighty-nine million, nine hundred forty-five thousand, seven hundred fifty-two".
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