Base | Representation |
---|---|
bin | 1000001101111… |
… | …01000110100101 |
3 | 11210201002221020 |
4 | 10012331012211 |
5 | 120121311010 |
6 | 10501241353 |
7 | 1464624642 |
oct | 406750645 |
9 | 153632836 |
10 | 68932005 |
11 | 35a016aa |
12 | 1b103259 |
13 | 1138668c |
14 | 9224dc9 |
15 | 60b9470 |
hex | 41bd1a5 |
68932005 has 16 divisors (see below), whose sum is σ = 110911680. Its totient is φ = 36556928.
The previous prime is 68931979. The next prime is 68932007. The reversal of 68932005 is 50023986.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 68932005 - 29 = 68931493 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68932007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10152 + ... + 15521.
It is an arithmetic number, because the mean of its divisors is an integer number (6931980).
Almost surely, 268932005 is an apocalyptic number.
It is an amenable number.
68932005 is a deficient number, since it is larger than the sum of its proper divisors (41979675).
68932005 is a wasteful number, since it uses less digits than its factorization.
68932005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25860.
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 68932005 is about 8302.5300360794. The cubic root of 68932005 is about 410.0218211666.
The spelling of 68932005 in words is "sixty-eight million, nine hundred thirty-two thousand, five".
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