Base | Representation |
---|---|
bin | 1010100101011… |
… | …01000000110000 |
3 | 20012001221122222 |
4 | 11102231000300 |
5 | 140212222130 |
6 | 12451020212 |
7 | 2125460114 |
oct | 522550060 |
9 | 205057588 |
10 | 88789040 |
11 | 4613457a |
12 | 2589a668 |
13 | 155199c2 |
14 | bb13744 |
15 | 7bdcce5 |
hex | 54ad030 |
88789040 has 40 divisors (see below), whose sum is σ = 206913840. Its totient is φ = 35433216.
The previous prime is 88789037. The next prime is 88789069. The reversal of 88789040 is 4098788.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 88788982 and 88789000.
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, 42746 + ... + 44774.
It is an arithmetic number, because the mean of its divisors is an integer number (5172846).
Almost surely, 288789040 is an apocalyptic number.
88789040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
88789040 is an abundant number, since it is smaller than the sum of its proper divisors (118124800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88789040 is a wasteful number, since it uses less digits than its factorization.
88789040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2589 (or 2583 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 44.
The square root of 88789040 is about 9422.7936409538. The cubic root of 88789040 is about 446.1214654386.
The spelling of 88789040 in words is "eighty-eight million, seven hundred eighty-nine thousand, forty".
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