Base | Representation |
---|---|
bin | 1000101101100… |
… | …01110101001110 |
3 | 12002111212002221 |
4 | 10112301311032 |
5 | 122202031032 |
6 | 11130205554 |
7 | 1545112432 |
oct | 426616516 |
9 | 162455087 |
10 | 73080142 |
11 | 38285213 |
12 | 205838ba |
13 | 121a97b5 |
14 | 99c49c2 |
15 | 6638597 |
hex | 45b1d4e |
73080142 has 4 divisors (see below), whose sum is σ = 109620216. Its totient is φ = 36540070.
The previous prime is 73080121. The next prime is 73080169. The reversal of 73080142 is 24108037.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24108037 = 1009 ⋅23893.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18270034 + ... + 18270037.
It is an arithmetic number, because the mean of its divisors is an integer number (27405054).
Almost surely, 273080142 is an apocalyptic number.
73080142 is a deficient number, since it is larger than the sum of its proper divisors (36540074).
73080142 is a wasteful number, since it uses less digits than its factorization.
73080142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36540073.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 73080142 is about 8548.6924146328. The cubic root of 73080142 is about 418.0868046183.
Adding to 73080142 its reverse (24108037), we get a palindrome (97188179).
The spelling of 73080142 in words is "seventy-three million, eighty thousand, one hundred forty-two".
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