Base | Representation |
---|---|
bin | 1000000001101… |
… | …10000000100111 |
3 | 11200200201111221 |
4 | 10000312000213 |
5 | 114214030322 |
6 | 10403041211 |
7 | 1445203426 |
oct | 400660047 |
9 | 150621457 |
10 | 67330087 |
11 | 35008100 |
12 | 1a670207 |
13 | 10c454b6 |
14 | 8d292bd |
15 | 5d9e9c7 |
hex | 4036027 |
67330087 has 12 divisors (see below), whose sum is σ = 75411000. Its totient is φ = 60048560.
The previous prime is 67330079. The next prime is 67330093. The reversal of 67330087 is 78003376.
It is not a de Polignac number, because 67330087 - 23 = 67330079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67330007) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1164 + ... + 11662.
It is an arithmetic number, because the mean of its divisors is an integer number (6284250).
Almost surely, 267330087 is an apocalyptic number.
67330087 is a deficient number, since it is larger than the sum of its proper divisors (8080913).
67330087 is a wasteful number, since it uses less digits than its factorization.
67330087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10574 (or 10563 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 34.
The square root of 67330087 is about 8205.4912710940. The cubic root of 67330087 is about 406.8207148025.
Subtracting 67330087 from its reverse (78003376), we obtain a square (10673289 = 32672).
The spelling of 67330087 in words is "sixty-seven million, three hundred thirty thousand, eighty-seven".
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