Base | Representation |
---|---|
bin | 1000000100100… |
… | …10000010100010 |
3 | 11201101212121020 |
4 | 10002102002202 |
5 | 114313111132 |
6 | 10415110310 |
7 | 1451333424 |
oct | 402220242 |
9 | 151355536 |
10 | 67707042 |
11 | 35245337 |
12 | 1a812396 |
13 | 11047c50 |
14 | 8dc6814 |
15 | 5e2652c |
hex | 40920a2 |
67707042 has 16 divisors (see below), whose sum is σ = 145830720. Its totient is φ = 20832912.
The previous prime is 67707019. The next prime is 67707053. The reversal of 67707042 is 24070776.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 67706994 and 67707012.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433942 + ... + 434097.
It is an arithmetic number, because the mean of its divisors is an integer number (9114420).
Almost surely, 267707042 is an apocalyptic number.
67707042 is an abundant number, since it is smaller than the sum of its proper divisors (78123678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67707042 is a wasteful number, since it uses less digits than its factorization.
67707042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 868057.
The product of its (nonzero) digits is 16464, while the sum is 33.
The square root of 67707042 is about 8228.4288901345. The cubic root of 67707042 is about 407.5785127303.
The spelling of 67707042 in words is "sixty-seven million, seven hundred seven thousand, forty-two".
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