Base | Representation |
---|---|
bin | 1010011110011… |
… | …10010100100001 |
3 | 20010100121102220 |
4 | 11033032110201 |
5 | 134444030042 |
6 | 12415301253 |
7 | 2114640603 |
oct | 517162441 |
9 | 203317386 |
10 | 87876897 |
11 | 45671239 |
12 | 2551a829 |
13 | 1528a784 |
14 | b957173 |
15 | 7aac8ec |
hex | 53ce521 |
87876897 has 8 divisors (see below), whose sum is σ = 117299040. Its totient is φ = 58519680.
The previous prime is 87876871. The next prime is 87876923. The reversal of 87876897 is 79867878.
It is an interprime number because it is at equal distance from previous prime (87876871) and next prime (87876923).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-87876897 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 87876897.
It is not an unprimeable number, because it can be changed into a prime (87876497) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 12979 + ... + 18552.
It is an arithmetic number, because the mean of its divisors is an integer number (14662380).
Almost surely, 287876897 is an apocalyptic number.
It is an amenable number.
87876897 is a deficient number, since it is larger than the sum of its proper divisors (29422143).
87876897 is a wasteful number, since it uses less digits than its factorization.
87876897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32463.
The product of its digits is 9483264, while the sum is 60.
The square root of 87876897 is about 9374.2678114080. The cubic root of 87876897 is about 444.5885132781.
The spelling of 87876897 in words is "eighty-seven million, eight hundred seventy-six thousand, eight hundred ninety-seven".
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