Base | Representation |
---|---|
bin | 1010011100110… |
… | …10000101100100 |
3 | 20002221201221212 |
4 | 11032122011210 |
5 | 134420203243 |
6 | 12410530552 |
7 | 2113060052 |
oct | 516320544 |
9 | 202851855 |
10 | 87662948 |
11 | 4553551a |
12 | 25436a58 |
13 | 15214289 |
14 | b8dd1d2 |
15 | 7a69318 |
hex | 539a164 |
87662948 has 18 divisors (see below), whose sum is σ = 162967266. Its totient is φ = 41252608.
The previous prime is 87662921. The next prime is 87662951. The reversal of 87662948 is 84926678.
It can be written as a sum of positive squares in 3 ways, for example, as 55830784 + 31832164 = 7472^2 + 5642^2 .
It is a junction number, because it is equal to n+sod(n) for n = 87662896 and 87662905.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36761 + ... + 39072.
It is an arithmetic number, because the mean of its divisors is an integer number (9053737).
Almost surely, 287662948 is an apocalyptic number.
It is an amenable number.
87662948 is a deficient number, since it is larger than the sum of its proper divisors (75304318).
87662948 is a wasteful number, since it uses less digits than its factorization.
87662948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75871 (or 75852 counting only the distinct ones).
The product of its digits is 1161216, while the sum is 50.
The square root of 87662948 is about 9362.8493526276. The cubic root of 87662948 is about 444.2274150846.
The spelling of 87662948 in words is "eighty-seven million, six hundred sixty-two thousand, nine hundred forty-eight".
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