Base | Representation |
---|---|
bin | 1000101010100… |
… | …00110000100010 |
3 | 12001202122200120 |
4 | 10111100300202 |
5 | 122101320110 |
6 | 11113501110 |
7 | 1541535264 |
oct | 425206042 |
9 | 161678616 |
10 | 72682530 |
11 | 38033508 |
12 | 20411796 |
13 | 1209a81b |
14 | 991db34 |
15 | 65aa870 |
hex | 4550c22 |
72682530 has 32 divisors (see below), whose sum is σ = 182024064. Its totient is φ = 18539136.
The previous prime is 72682517. The next prime is 72682573. The reversal of 72682530 is 3528627.
It is a junction number, because it is equal to n+sod(n) for n = 72682491 and 72682500.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51979 + ... + 53358.
It is an arithmetic number, because the mean of its divisors is an integer number (5688252).
Almost surely, 272682530 is an apocalyptic number.
72682530 is an abundant number, since it is smaller than the sum of its proper divisors (109341534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72682530 is a wasteful number, since it uses less digits than its factorization.
72682530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105370.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 72682530 is about 8525.4049757182. The cubic root of 72682530 is about 417.3271877331.
The spelling of 72682530 in words is "seventy-two million, six hundred eighty-two thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •