Base | Representation |
---|---|
bin | 1010011010100… |
… | …11110000011000 |
3 | 20002102002210101 |
4 | 11031103300120 |
5 | 134331443442 |
6 | 12400425144 |
7 | 2110450144 |
oct | 515236030 |
9 | 202362711 |
10 | 87374872 |
11 | 45359042 |
12 | 253181b4 |
13 | 15143110 |
14 | b866224 |
15 | 7a0dcb7 |
hex | 5353c18 |
87374872 has 32 divisors (see below), whose sum is σ = 178930080. Its totient is φ = 39755520.
The previous prime is 87374843. The next prime is 87374873. The reversal of 87374872 is 27847378.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87374873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468 + ... + 13300.
It is an arithmetic number, because the mean of its divisors is an integer number (5591565).
Almost surely, 287374872 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 87374872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89465040).
87374872 is an abundant number, since it is smaller than the sum of its proper divisors (91555208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87374872 is a wasteful number, since it uses less digits than its factorization.
87374872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11923 (or 11919 counting only the distinct ones).
The product of its digits is 526848, while the sum is 46.
The square root of 87374872 is about 9347.4527011374. The cubic root of 87374872 is about 443.7402777213.
The spelling of 87374872 in words is "eighty-seven million, three hundred seventy-four thousand, eight hundred seventy-two".
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