Base | Representation |
---|---|
bin | 1010011101010… |
… | …10100100100011 |
3 | 20010002011120120 |
4 | 11032222210203 |
5 | 134424333332 |
6 | 12412211323 |
7 | 2113460646 |
oct | 516524443 |
9 | 203064516 |
10 | 87730467 |
11 | 45581220 |
12 | 25469b43 |
13 | 15238c26 |
14 | b919a5d |
15 | 7a7e32c |
hex | 53aa923 |
87730467 has 16 divisors (see below), whose sum is σ = 134325120. Its totient is φ = 50371200.
The previous prime is 87730439. The next prime is 87730471. The reversal of 87730467 is 76403778.
It is not a de Polignac number, because 87730467 - 27 = 87730339 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87730417) 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 15 ways as a sum of consecutive naturals, for example, 69334 + ... + 70587.
It is an arithmetic number, because the mean of its divisors is an integer number (8395320).
Almost surely, 287730467 is an apocalyptic number.
87730467 is a deficient number, since it is larger than the sum of its proper divisors (46594653).
87730467 is a wasteful number, since it uses less digits than its factorization.
87730467 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139954.
The product of its (nonzero) digits is 197568, while the sum is 42.
The square root of 87730467 is about 9366.4543451618. The cubic root of 87730467 is about 444.3414354862.
The spelling of 87730467 in words is "eighty-seven million, seven hundred thirty thousand, four hundred sixty-seven".
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