Base | Representation |
---|---|
bin | 1111111111001… |
… | …1000011011110 |
3 | 11200011210022120 |
4 | 3333303003132 |
5 | 114131241323 |
6 | 10353123410 |
7 | 1442652033 |
oct | 377630336 |
9 | 150153276 |
10 | 67055838 |
11 | 34940053 |
12 | 1a559566 |
13 | 10b7a715 |
14 | 8c9738a |
15 | 5d485e3 |
hex | 3ff30de |
67055838 has 16 divisors (see below), whose sum is σ = 134888976. Its totient is φ = 22222400.
The previous prime is 67055797. The next prime is 67055843. The reversal of 67055838 is 83855076.
It is a self number, because there is not a number n which added to its sum of digits gives 67055838.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31263 + ... + 33338.
It is an arithmetic number, because the mean of its divisors is an integer number (8430561).
Almost surely, 267055838 is an apocalyptic number.
67055838 is an abundant number, since it is smaller than the sum of its proper divisors (67833138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67055838 is a wasteful number, since it uses less digits than its factorization.
67055838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64779.
The product of its (nonzero) digits is 201600, while the sum is 42.
The square root of 67055838 is about 8188.7629102325. The cubic root of 67055838 is about 406.2676089251.
The spelling of 67055838 in words is "sixty-seven million, fifty-five thousand, eight hundred thirty-eight".
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