Base | Representation |
---|---|
bin | 1000110011101… |
… | …10011000011101 |
3 | 12011000202110101 |
4 | 10121312120131 |
5 | 122403311323 |
6 | 11155341101 |
7 | 1555004533 |
oct | 431663035 |
9 | 164022411 |
10 | 73885213 |
11 | 38785066 |
12 | 208b1791 |
13 | 123cc07c |
14 | 9b54153 |
15 | 6746dad |
hex | 467661d |
73885213 has 8 divisors (see below), whose sum is σ = 79515000. Its totient is φ = 68398080.
The previous prime is 73885199. The next prime is 73885241. The reversal of 73885213 is 31258837.
It can be written as a sum of positive squares in 4 ways, for example, as 17665209 + 56220004 = 4203^2 + 7498^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 73885213 - 213 = 73877021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (73885283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34588 + ... + 36661.
It is an arithmetic number, because the mean of its divisors is an integer number (9939375).
Almost surely, 273885213 is an apocalyptic number.
It is an amenable number.
73885213 is a deficient number, since it is larger than the sum of its proper divisors (5629787).
73885213 is a wasteful number, since it uses less digits than its factorization.
73885213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71327.
The product of its digits is 40320, while the sum is 37.
The square root of 73885213 is about 8595.6508188735. The cubic root of 73885213 is about 419.6164544622.
The spelling of 73885213 in words is "seventy-three million, eight hundred eighty-five thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •