Base | Representation |
---|---|
bin | 11111000001011111000001 |
3 | 120022011202101 |
4 | 133001133001 |
5 | 4040220140 |
6 | 450150401 |
7 | 126061021 |
oct | 37013701 |
9 | 16264671 |
10 | 8132545 |
11 | 4655113 |
12 | 2882401 |
13 | 18b9875 |
14 | 1119a81 |
15 | aa999a |
hex | 7c17c1 |
8132545 has 16 divisors (see below), whose sum is σ = 10402128. Its totient is φ = 6082560.
The previous prime is 8132543. The next prime is 8132549. The reversal of 8132545 is 5452318.
8132545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 690561 + 7441984 = 831^2 + 2728^2 .
It is not a de Polignac number, because 8132545 - 21 = 8132543 is a prime.
It is a super-2 number, since 2×81325452 = 132276576354050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8132543) 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, 20287 + ... + 20683.
It is an arithmetic number, because the mean of its divisors is an integer number (650133).
Almost surely, 28132545 is an apocalyptic number.
8132545 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
8132545 is the 2017-th centered square number.
It is an amenable number.
8132545 is a deficient number, since it is larger than the sum of its proper divisors (2269583).
8132545 is a wasteful number, since it uses less digits than its factorization.
8132545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 660.
The product of its digits is 4800, while the sum is 28.
The square root of 8132545 is about 2851.7617361905. The cubic root of 8132545 is about 201.0984971406.
The spelling of 8132545 in words is "eight million, one hundred thirty-two thousand, five hundred forty-five".
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