Base | Representation |
---|---|
bin | 1010011100101… |
… | …11101000110100 |
3 | 20002221020012022 |
4 | 11032113220310 |
5 | 134414343131 |
6 | 12410412312 |
7 | 2113015601 |
oct | 516275064 |
9 | 202836168 |
10 | 87652916 |
11 | 45528a2a |
12 | 25431098 |
13 | 1520c840 |
14 | b8d96a8 |
15 | 7a6637b |
hex | 5397a34 |
87652916 has 24 divisors (see below), whose sum is σ = 169225224. Its totient is φ = 39467520.
The previous prime is 87652891. The next prime is 87652919. The reversal of 87652916 is 61925678.
It can be written as a sum of positive squares in 4 ways, for example, as 417316 + 87235600 = 646^2 + 9340^2 .
It is a super-3 number, since 3×876529163 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87652919) 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, 18425 + ... + 22688.
It is an arithmetic number, because the mean of its divisors is an integer number (7051051).
Almost surely, 287652916 is an apocalyptic number.
It is an amenable number.
87652916 is a deficient number, since it is larger than the sum of its proper divisors (81572308).
87652916 is a wasteful number, since it uses less digits than its factorization.
87652916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41171 (or 41169 counting only the distinct ones).
The product of its digits is 181440, while the sum is 44.
The square root of 87652916 is about 9362.3136029509. The cubic root of 87652916 is about 444.2104688927.
The spelling of 87652916 in words is "eighty-seven million, six hundred fifty-two thousand, nine hundred sixteen".
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