Base | Representation |
---|---|
bin | 1010011100110… |
… | …10000111001011 |
3 | 20002221202002200 |
4 | 11032122013023 |
5 | 134420204201 |
6 | 12410531243 |
7 | 2113060260 |
oct | 516320713 |
9 | 202852080 |
10 | 87663051 |
11 | 45535603 |
12 | 25436b23 |
13 | 15214338 |
14 | b8dd267 |
15 | 7a69386 |
hex | 539a1cb |
87663051 has 48 divisors (see below), whose sum is σ = 152755200. Its totient is φ = 47361600.
The previous prime is 87663047. The next prime is 87663053. The reversal of 87663051 is 15036678.
It is not a de Polignac number, because 87663051 - 22 = 87663047 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87662997 and 87663015.
It is not an unprimeable number, because it can be changed into a prime (87663053) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146050 + ... + 146648.
It is an arithmetic number, because the mean of its divisors is an integer number (3182400).
Almost surely, 287663051 is an apocalyptic number.
87663051 is a deficient number, since it is larger than the sum of its proper divisors (65092149).
87663051 is a wasteful number, since it uses less digits than its factorization.
87663051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 736 (or 733 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 87663051 is about 9362.8548530883. The cubic root of 87663051 is about 444.2275890669.
The spelling of 87663051 in words is "eighty-seven million, six hundred sixty-three thousand, fifty-one".
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