Base | Representation |
---|---|
bin | 1000000100100… |
… | …01011101101000 |
3 | 11201101202100202 |
4 | 10002101131220 |
5 | 114313022210 |
6 | 10415051332 |
7 | 1451323511 |
oct | 402213550 |
9 | 151352322 |
10 | 67704680 |
11 | 3524358a |
12 | 1a810b48 |
13 | 11046b54 |
14 | 8dc5a08 |
15 | 5e259a5 |
hex | 4091768 |
67704680 has 32 divisors (see below), whose sum is σ = 153320040. Its totient is φ = 26906880.
The previous prime is 67704673. The next prime is 67704701. The reversal of 67704680 is 8640776.
It can be written as a sum of positive squares in 4 ways, for example, as 40934404 + 26770276 = 6398^2 + 5174^2 .
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, 890 + ... + 11670.
Almost surely, 267704680 is an apocalyptic number.
It is an amenable number.
67704680 is an abundant number, since it is smaller than the sum of its proper divisors (85615360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67704680 is a wasteful number, since it uses less digits than its factorization.
67704680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10949 (or 10945 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 38.
The square root of 67704680 is about 8228.2853620909. The cubic root of 67704680 is about 407.5737731365.
The spelling of 67704680 in words is "sixty-seven million, seven hundred four thousand, six hundred eighty".
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