Base | Representation |
---|---|
bin | 1010011100111… |
… | …01011010000001 |
3 | 20002222102121110 |
4 | 11032131122001 |
5 | 134421122140 |
6 | 12411113533 |
7 | 2113144515 |
oct | 516353201 |
9 | 202872543 |
10 | 87676545 |
11 | 45544760 |
12 | 254428a9 |
13 | 1521a518 |
14 | b904145 |
15 | 7a6d380 |
hex | 539d681 |
87676545 has 32 divisors (see below), whose sum is σ = 161095680. Its totient is φ = 40271040.
The previous prime is 87676499. The next prime is 87676571. The reversal of 87676545 is 54567678.
87676545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is not a de Polignac number, because 87676545 - 27 = 87676417 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a junction number, because it is equal to n+sod(n) for n = 87676494 and 87676503.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10849 + ... + 17118.
It is an arithmetic number, because the mean of its divisors is an integer number (5034240).
Almost surely, 287676545 is an apocalyptic number.
It is an amenable number.
87676545 is a deficient number, since it is larger than the sum of its proper divisors (73419135).
87676545 is a wasteful number, since it uses less digits than its factorization.
87676545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28005.
The product of its digits is 1411200, while the sum is 48.
The square root of 87676545 is about 9363.5754389015. The cubic root of 87676545 is about 444.2503812600.
It can be divided in two parts, 876 and 76545, that added together give a triangular number (77421 = T393).
The spelling of 87676545 in words is "eighty-seven million, six hundred seventy-six thousand, five hundred forty-five".
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