Base | Representation |
---|---|
bin | 1010100101001… |
… | …11000100111000 |
3 | 20012000201022112 |
4 | 11102213010320 |
5 | 140210432403 |
6 | 12450311452 |
7 | 2125326203 |
oct | 522470470 |
9 | 205021275 |
10 | 88764728 |
11 | 46118288 |
12 | 25888588 |
13 | 1550b910 |
14 | bb0893a |
15 | 7bd59d8 |
hex | 54a7138 |
88764728 has 64 divisors (see below), whose sum is σ = 191600640. Its totient is φ = 38231424.
The previous prime is 88764721. The next prime is 88764763. The reversal of 88764728 is 82746788.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88764721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102425 + ... + 103287.
It is an arithmetic number, because the mean of its divisors is an integer number (2993760).
Almost surely, 288764728 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 88764728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95800320).
88764728 is an abundant number, since it is smaller than the sum of its proper divisors (102835912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88764728 is a wasteful number, since it uses less digits than its factorization.
88764728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 948 (or 944 counting only the distinct ones).
The product of its digits is 1204224, while the sum is 50.
The square root of 88764728 is about 9421.5034893588. The cubic root of 88764728 is about 446.0807430883.
The spelling of 88764728 in words is "eighty-eight million, seven hundred sixty-four thousand, seven hundred twenty-eight".
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