Base | Representation |
---|---|
bin | 1000110100010… |
… | …11010101100010 |
3 | 12011012010012020 |
4 | 10122023111202 |
5 | 122414033132 |
6 | 11201242310 |
7 | 1555513005 |
oct | 432132542 |
9 | 164163166 |
10 | 73971042 |
11 | 388335a2 |
12 | 20933396 |
13 | 1242c162 |
14 | 9b7753c |
15 | 676252c |
hex | 468b562 |
73971042 has 8 divisors (see below), whose sum is σ = 147942096. Its totient is φ = 24657012.
The previous prime is 73971041. The next prime is 73971049. The reversal of 73971042 is 24017937.
It is a sphenic number, since it is the product of 3 distinct primes.
73971042 is an admirable number.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 73970994 and 73971012.
It is not an unprimeable number, because it can be changed into a prime (73971041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6164248 + ... + 6164259.
It is an arithmetic number, because the mean of its divisors is an integer number (18492762).
Almost surely, 273971042 is an apocalyptic number.
73971042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73971042 is a wasteful number, since it uses less digits than its factorization.
73971042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12328512.
The product of its (nonzero) digits is 10584, while the sum is 33.
The square root of 73971042 is about 8600.6419527847. The cubic root of 73971042 is about 419.7788745300.
Adding to 73971042 its reverse (24017937), we get a palindrome (97988979).
The spelling of 73971042 in words is "seventy-three million, nine hundred seventy-one thousand, forty-two".
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