Base | Representation |
---|---|
bin | 1001100110101… |
… | …10011011000010 |
3 | 12121121101022221 |
4 | 10303112123002 |
5 | 131111220200 |
6 | 11554521254 |
7 | 1665556051 |
oct | 463263302 |
9 | 177541287 |
10 | 80570050 |
11 | 41530520 |
12 | 22b9622a |
13 | 138cc9b2 |
14 | a9b4398 |
15 | 711791a |
hex | 4cd66c2 |
80570050 has 48 divisors (see below), whose sum is σ = 164400192. Its totient is φ = 29134400.
The previous prime is 80570041. The next prime is 80570057. The reversal of 80570050 is 5007508.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a junction number, because it is equal to n+sod(n) for n = 80569997 and 80570024.
It is not an unprimeable number, because it can be changed into a prime (80570057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144372 + ... + 144928.
It is an arithmetic number, because the mean of its divisors is an integer number (3425004).
Almost surely, 280570050 is an apocalyptic number.
80570050 is an abundant number, since it is smaller than the sum of its proper divisors (83830142).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80570050 is a wasteful number, since it uses less digits than its factorization.
80570050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 843 (or 838 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 25.
The square root of 80570050 is about 8976.0821074676. The cubic root of 80570050 is about 431.9079629319.
Adding to 80570050 its reverse (5007508), we get a palindrome (85577558).
The spelling of 80570050 in words is "eighty million, five hundred seventy thousand, fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •