Base | Representation |
---|---|
bin | 1111111111101… |
… | …1010000000000 |
3 | 11200020111100220 |
4 | 3333323100000 |
5 | 114133330113 |
6 | 10353543040 |
7 | 1443151641 |
oct | 377732000 |
9 | 150214326 |
10 | 67089408 |
11 | 349632a1 |
12 | 1a574a80 |
13 | 10b8ca99 |
14 | 8ca56c8 |
15 | 5d53523 |
hex | 3ffb400 |
67089408 has 44 divisors (see below), whose sum is σ = 178825920. Its totient is φ = 22362112.
The previous prime is 67089377. The next prime is 67089461. The reversal of 67089408 is 80498076.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 67089408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7848 + ... + 13991.
Almost surely, 267089408 is an apocalyptic number.
It is an amenable number.
67089408 is an abundant number, since it is smaller than the sum of its proper divisors (111736512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67089408 is a wasteful number, since it uses less digits than its factorization.
67089408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21862 (or 21844 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 67089408 is about 8190.8124139184. The cubic root of 67089408 is about 406.3353938675.
The spelling of 67089408 in words is "sixty-seven million, eighty-nine thousand, four hundred eight".
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