Base | Representation |
---|---|
bin | 10111111001101… |
… | …110010111000100 |
3 | 1000221120022122200 |
4 | 113321232113010 |
5 | 1310124224233 |
6 | 103442554500 |
7 | 12636340506 |
oct | 2771562704 |
9 | 1027508580 |
10 | 401008068 |
11 | 1963a432a |
12 | b2368a30 |
13 | 651053a6 |
14 | 3b387d76 |
15 | 25312313 |
hex | 17e6e5c4 |
401008068 has 18 divisors (see below), whose sum is σ = 1013659374. Its totient is φ = 133669344.
The previous prime is 401008063. The next prime is 401008079. The reversal of 401008068 is 860800104.
It can be written as a sum of positive squares in only one way, i.e., 393943104 + 7064964 = 19848^2 + 2658^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is not an unprimeable number, because it can be changed into a prime (401008061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5569521 + ... + 5569592.
Almost surely, 2401008068 is an apocalyptic number.
It is an amenable number.
401008068 is an abundant number, since it is smaller than the sum of its proper divisors (612651306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
401008068 is a wasteful number, since it uses less digits than its factorization.
401008068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11139123 (or 11139118 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 401008068 is about 20025.1858418343. The cubic root of 401008068 is about 737.4247395383.
The spelling of 401008068 in words is "four hundred one million, eight thousand, sixty-eight".
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