Base | Representation |
---|---|
bin | 1010101010110… |
… | …01100010101000 |
3 | 20020101212001022 |
4 | 11111121202220 |
5 | 140402330340 |
6 | 12514112012 |
7 | 2134462316 |
oct | 525314250 |
9 | 206355038 |
10 | 89495720 |
11 | 46577506 |
12 | 25b7b608 |
13 | 15706562 |
14 | bc590b6 |
15 | 7ccc3b5 |
hex | 55598a8 |
89495720 has 16 divisors (see below), whose sum is σ = 201365460. Its totient is φ = 35798272.
The previous prime is 89495717. The next prime is 89495753. The reversal of 89495720 is 2759498.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 88021924 + 1473796 = 9382^2 + 1214^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118657 + ... + 1118736.
Almost surely, 289495720 is an apocalyptic number.
It is an amenable number.
89495720 is an abundant number, since it is smaller than the sum of its proper divisors (111869740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89495720 is a wasteful number, since it uses less digits than its factorization.
89495720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2237404 (or 2237400 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 44.
The square root of 89495720 is about 9460.2177564790. The cubic root of 89495720 is about 447.3019128909.
The spelling of 89495720 in words is "eighty-nine million, four hundred ninety-five thousand, seven hundred twenty".
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