Base | Representation |
---|---|
bin | 1001100010111… |
… | …00100010110110 |
3 | 12120200000112121 |
4 | 10301130202312 |
5 | 130444231323 |
6 | 11540110154 |
7 | 1661406451 |
oct | 461344266 |
9 | 176600477 |
10 | 80070838 |
11 | 4121a451 |
12 | 2299535a |
13 | 137866c3 |
14 | a8c4498 |
15 | 7069a5d |
hex | 4c5c8b6 |
80070838 has 4 divisors (see below), whose sum is σ = 120106260. Its totient is φ = 40035418.
The previous prime is 80070803. The next prime is 80070871. The reversal of 80070838 is 83807008.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×800708382 = 12822678196044488, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 20017708 + ... + 20017711.
It is an arithmetic number, because the mean of its divisors is an integer number (30026565).
Almost surely, 280070838 is an apocalyptic number.
80070838 is a deficient number, since it is larger than the sum of its proper divisors (40035422).
80070838 is a wasteful number, since it uses less digits than its factorization.
80070838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40035421.
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 80070838 is about 8948.2309983594. The cubic root of 80070838 is about 431.0140803571.
It can be divided in two parts, 80070 and 838, that added together give a palindrome (80908).
The spelling of 80070838 in words is "eighty million, seventy thousand, eight hundred thirty-eight".
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