Base | Representation |
---|---|
bin | 1010011100111… |
… | …11101110100100 |
3 | 20002222220122120 |
4 | 11032133232210 |
5 | 134421423202 |
6 | 12411225540 |
7 | 2113214316 |
oct | 516375644 |
9 | 202886576 |
10 | 87686052 |
11 | 45550913 |
12 | 254482b0 |
13 | 1522194c |
14 | b9077b6 |
15 | 7a710bc |
hex | 539fba4 |
87686052 has 24 divisors (see below), whose sum is σ = 205217376. Its totient is φ = 29140608.
The previous prime is 87686047. The next prime is 87686059. The reversal of 87686052 is 25068678.
It is a junction number, because it is equal to n+sod(n) for n = 87685995 and 87686013.
It is not an unprimeable number, because it can be changed into a prime (87686059) 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, 6798 + ... + 14885.
It is an arithmetic number, because the mean of its divisors is an integer number (8550724).
Almost surely, 287686052 is an apocalyptic number.
It is an amenable number.
87686052 is an abundant number, since it is smaller than the sum of its proper divisors (117531324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87686052 is a wasteful number, since it uses less digits than its factorization.
87686052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22027 (or 22025 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 87686052 is about 9364.0830837835. The cubic root of 87686052 is about 444.2664377615.
It can be divided in two parts, 8 and 7686052, that multiplied together give a palindrome (61488416).
The spelling of 87686052 in words is "eighty-seven million, six hundred eighty-six thousand, fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •