Base | Representation |
---|---|
bin | 1010011011000… |
… | …00110011001100 |
3 | 20002111211002012 |
4 | 11031200303030 |
5 | 134340201200 |
6 | 12401520352 |
7 | 2111062001 |
oct | 515406314 |
9 | 202454065 |
10 | 87428300 |
11 | 453951a3 |
12 | 253430b8 |
13 | 1516152b |
14 | b87b8a8 |
15 | 7a1ea35 |
hex | 5360ccc |
87428300 has 36 divisors (see below), whose sum is σ = 192565800. Its totient is φ = 34446720.
The previous prime is 87428287. The next prime is 87428317. The reversal of 87428300 is 382478.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176 + ... + 13224.
It is an arithmetic number, because the mean of its divisors is an integer number (5349050).
Almost surely, 287428300 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 87428300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96282900).
87428300 is an abundant number, since it is smaller than the sum of its proper divisors (105137500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87428300 is a wasteful number, since it uses less digits than its factorization.
87428300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13130 (or 13123 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 87428300 is about 9350.3101552836. The cubic root of 87428300 is about 443.8307054163.
The spelling of 87428300 in words is "eighty-seven million, four hundred twenty-eight thousand, three hundred".
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