Base | Representation |
---|---|
bin | 1001100010101… |
… | …01000010000110 |
3 | 12120121110100001 |
4 | 10301111002012 |
5 | 130442240240 |
6 | 11535311514 |
7 | 1661220655 |
oct | 461250206 |
9 | 176543301 |
10 | 80040070 |
11 | 411a9320 |
12 | 2297b59a |
13 | 137756b6 |
14 | a8b719c |
15 | 706089a |
hex | 4c55086 |
80040070 has 32 divisors (see below), whose sum is σ = 160146720. Its totient is φ = 28554240.
The previous prime is 80040053. The next prime is 80040089. The reversal of 80040070 is 7004008.
It is a happy number.
It is a congruent number.
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, 1035 + ... + 12694.
It is an arithmetic number, because the mean of its divisors is an integer number (5004585).
Almost surely, 280040070 is an apocalyptic number.
80040070 is an abundant number, since it is smaller than the sum of its proper divisors (80106650).
80040070 is a wasteful number, since it uses less digits than its factorization.
80040070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13800.
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 80040070 is about 8946.5116106782. The cubic root of 80040070 is about 430.9588661637.
Adding to 80040070 its reverse (7004008), we get a palindrome (87044078).
The spelling of 80040070 in words is "eighty million, forty thousand, seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •