Base | Representation |
---|---|
bin | 1010011110111… |
… | …01001100111000 |
3 | 20010110201001100 |
4 | 11033131030320 |
5 | 140003002343 |
6 | 12420451400 |
7 | 2115313365 |
oct | 517351470 |
9 | 203421040 |
10 | 87937848 |
11 | 45703009 |
12 | 25549b60 |
13 | 152ac43b |
14 | b97146c |
15 | 7ac09d3 |
hex | 53dd338 |
87937848 has 96 divisors (see below), whose sum is σ = 245606400. Its totient is φ = 28413504.
The previous prime is 87937813. The next prime is 87937849. The reversal of 87937848 is 84873978.
It is a super-2 number, since 2×879378482 = 15466130221742208, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87937794 and 87937803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87937849) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539415 + ... + 539577.
It is an arithmetic number, because the mean of its divisors is an integer number (2558400).
Almost surely, 287937848 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 87937848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122803200).
87937848 is an abundant number, since it is smaller than the sum of its proper divisors (157668552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87937848 is a wasteful number, since it uses less digits than its factorization.
87937848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361 (or 354 counting only the distinct ones).
The product of its digits is 2709504, while the sum is 54.
The square root of 87937848 is about 9377.5182217898. The cubic root of 87937848 is about 444.6912776860.
It can be divided in two parts, 8793 and 7848, that added together give a square (16641 = 1292).
The spelling of 87937848 in words is "eighty-seven million, nine hundred thirty-seven thousand, eight hundred forty-eight".
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