Base | Representation |
---|---|
bin | 1010010111110… |
… | …01100010111101 |
3 | 20001201022221020 |
4 | 11023321202331 |
5 | 134233132443 |
6 | 12344454353 |
7 | 2104350660 |
oct | 513714275 |
9 | 201638836 |
10 | 87005373 |
11 | 45126474 |
12 | 2517a3b9 |
13 | 15043b90 |
14 | b7ab6d7 |
15 | 7989583 |
hex | 52f98bd |
87005373 has 16 divisors (see below), whose sum is σ = 142778496. Its totient is φ = 45892800.
The previous prime is 87005357. The next prime is 87005377. The reversal of 87005373 is 37350078.
It is not a de Polignac number, because 87005373 - 24 = 87005357 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87005377) 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, 159078 + ... + 159623.
It is an arithmetic number, because the mean of its divisors is an integer number (8923656).
Almost surely, 287005373 is an apocalyptic number.
It is an amenable number.
87005373 is a deficient number, since it is larger than the sum of its proper divisors (55773123).
87005373 is a wasteful number, since it uses less digits than its factorization.
87005373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 318724.
The product of its (nonzero) digits is 17640, while the sum is 33.
The square root of 87005373 is about 9327.6670716745. The cubic root of 87005373 is about 443.1138838279.
It can be divided in two parts, 87005 and 373, that added together give a palindrome (87378).
The spelling of 87005373 in words is "eighty-seven million, five thousand, three hundred seventy-three".
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