Base | Representation |
---|---|
bin | 1000000100011… |
… | …00011010010000 |
3 | 11201100200222020 |
4 | 10002030122100 |
5 | 114311341414 |
6 | 10414411440 |
7 | 1451206254 |
oct | 402143220 |
9 | 151320866 |
10 | 67683984 |
11 | 35229a85 |
12 | 1a800b80 |
13 | 1103a5c4 |
14 | 8dbc264 |
15 | 5e1e7a9 |
hex | 408c690 |
67683984 has 40 divisors (see below), whose sum is σ = 175152480. Its totient is φ = 22522368.
The previous prime is 67683977. The next prime is 67683991. The reversal of 67683984 is 48938676.
It is an interprime number because it is at equal distance from previous prime (67683977) and next prime (67683991).
It is a super-2 number, since 2×676839842 = 9162243380224512, which contains 22 as substring.
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, 44712 + ... + 46200.
It is an arithmetic number, because the mean of its divisors is an integer number (4378812).
Almost surely, 267683984 is an apocalyptic number.
It is an amenable number.
67683984 is an abundant number, since it is smaller than the sum of its proper divisors (107468496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67683984 is a wasteful number, since it uses less digits than its factorization.
67683984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2447 (or 2441 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 51.
The square root of 67683984 is about 8227.0276528039. The cubic root of 67683984 is about 407.5322397868.
The spelling of 67683984 in words is "sixty-seven million, six hundred eighty-three thousand, nine hundred eighty-four".
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