Base | Representation |
---|---|
bin | 1000110011101… |
… | …10011100101001 |
3 | 12011000202211022 |
4 | 10121312130221 |
5 | 122403313411 |
6 | 11155342225 |
7 | 1555005365 |
oct | 431663451 |
9 | 164022738 |
10 | 73885481 |
11 | 3878528a |
12 | 208b1975 |
13 | 123cc227 |
14 | 9b542a5 |
15 | 6746edb |
hex | 4676729 |
73885481 has 4 divisors (see below), whose sum is σ = 75603792. Its totient is φ = 72167172.
The previous prime is 73885463. The next prime is 73885507. The reversal of 73885481 is 18458837.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 73885481 - 226 = 6776617 is a prime.
It is a super-2 number, since 2×738854812 = 10918128605202722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (73885421) 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, 859091 + ... + 859176.
It is an arithmetic number, because the mean of its divisors is an integer number (18900948).
Almost surely, 273885481 is an apocalyptic number.
It is an amenable number.
73885481 is a deficient number, since it is larger than the sum of its proper divisors (1718311).
73885481 is a wasteful number, since it uses less digits than its factorization.
73885481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1718310.
The product of its digits is 215040, while the sum is 44.
The square root of 73885481 is about 8595.6664081385. Note that the first 3 decimals coincide. The cubic root of 73885481 is about 419.6169618125.
The spelling of 73885481 in words is "seventy-three million, eight hundred eighty-five thousand, four hundred eighty-one".
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