Base | Representation |
---|---|
bin | 1000001011010… |
… | …00010110001010 |
3 | 11210001110201100 |
4 | 10011220112022 |
5 | 120024203332 |
6 | 10450002230 |
7 | 1461650544 |
oct | 405502612 |
9 | 153043640 |
10 | 68584842 |
11 | 35794897 |
12 | 1ab76376 |
13 | 11294661 |
14 | 9174694 |
15 | 604b67c |
hex | 416858a |
68584842 has 12 divisors (see below), whose sum is σ = 148600530. Its totient is φ = 22861608.
The previous prime is 68584837. The next prime is 68584847. The reversal of 68584842 is 24848586.
68584842 is a `hidden beast` number, since 68 + 584 + 8 + 4 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (68584837) and next prime (68584847).
It can be written as a sum of positive squares in only one way, i.e., 67914081 + 670761 = 8241^2 + 819^2 .
It is not an unprimeable number, because it can be changed into a prime (68584847) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1905117 + ... + 1905152.
Almost surely, 268584842 is an apocalyptic number.
68584842 is an abundant number, since it is smaller than the sum of its proper divisors (80015688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68584842 is a wasteful number, since it uses less digits than its factorization.
68584842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3810277 (or 3810274 counting only the distinct ones).
The product of its digits is 491520, while the sum is 45.
The square root of 68584842 is about 8281.5965852002. The cubic root of 68584842 is about 409.3323299309.
The spelling of 68584842 in words is "sixty-eight million, five hundred eighty-four thousand, eight hundred forty-two".
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